3912546413 has 4 divisors (see below), whose sum is σ = 4142696220. Its totient is φ = 3682396608.

The previous prime is 3912546293. The next prime is 3912546427. The reversal of 3912546413 is 3146452193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3146452193 = 19 ⋅165602747.

It can be written as a sum of positive squares in 2 ways, for example, as 1283215684 + 2629330729 = 35822^2 + 51277^2 .

It is a cyclic number.

It is not a de Polignac number, because 3912546413 - 2¹⁴ = 3912530029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912546433) 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, 115074878 + ... + 115074911.

It is an arithmetic number, because the mean of its divisors is an integer number (1035674055).

Almost surely, 2^3912546413 is an apocalyptic number.

It is an amenable number.

3912546413 is a deficient number, since it is larger than the sum of its proper divisors (230149807).

3912546413 is a wasteful number, since it uses less digits than its factorization.

3912546413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230149806.

The product of its digits is 77760, while the sum is 38.

The square root of 3912546413 is about 62550.3510221965. The cubic root of 3912546413 is about 1575.7470430082.

The spelling of 3912546413 in words is "three billion, nine hundred twelve million, five hundred forty-six thousand, four hundred thirteen".