3916125229 has 4 divisors (see below), whose sum is σ = 4051164060. Its totient is φ = 3781086400.

The previous prime is 3916125221. The next prime is 3916125263. The reversal of 3916125229 is 9225216193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9225216193 = 41 ⋅225005273.

It can be written as a sum of positive squares in 2 ways, for example, as 1890945225 + 2025180004 = 43485^2 + 45002^2 .

It is a cyclic number.

It is not a de Polignac number, because 3916125229 - 2³ = 3916125221 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3916125191 and 3916125200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916125221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67519372 + ... + 67519429.

It is an arithmetic number, because the mean of its divisors is an integer number (1012791015).

Almost surely, 2^3916125229 is an apocalyptic number.

It is an amenable number.

3916125229 is a deficient number, since it is larger than the sum of its proper divisors (135038831).

3916125229 is a wasteful number, since it uses less digits than its factorization.

3916125229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135038830.

The product of its digits is 58320, while the sum is 40.

The square root of 3916125229 is about 62578.9519646982. The cubic root of 3916125229 is about 1576.2273431826.

The spelling of 3916125229 in words is "three billion, nine hundred sixteen million, one hundred twenty-five thousand, two hundred twenty-nine".