3912450817 has 4 divisors (see below), whose sum is σ = 4268128176. Its totient is φ = 3556773460.

The previous prime is 3912450799. The next prime is 3912450853. The reversal of 3912450817 is 7180542193.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7180542193 = 11 ⋅652776563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3912450817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3912450817.

It is not an unprimeable number, because it can be changed into a prime (3912450877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177838663 + ... + 177838684.

It is an arithmetic number, because the mean of its divisors is an integer number (1067032044).

Almost surely, 2^3912450817 is an apocalyptic number.

It is an amenable number.

3912450817 is a deficient number, since it is larger than the sum of its proper divisors (355677359).

3912450817 is a wasteful number, since it uses less digits than its factorization.

3912450817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355677358.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3912450817 is about 62549.5868651424. The cubic root of 3912450817 is about 1575.7342093934.

The spelling of 3912450817 in words is "three billion, nine hundred twelve million, four hundred fifty thousand, eight hundred seventeen".