3915120957 has 16 divisors (see below), whose sum is σ = 5715904320. Its totient is φ = 2363974400.

The previous prime is 3915120929. The next prime is 3915120967. The reversal of 3915120957 is 7590215193.

It is a cyclic number.

It is not a de Polignac number, because 3915120957 - 2²⁴ = 3898343741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915120917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211644 + ... + 229397.

It is an arithmetic number, because the mean of its divisors is an integer number (357244020).

Almost surely, 2^3915120957 is an apocalyptic number.

It is an amenable number.

3915120957 is a deficient number, since it is larger than the sum of its proper divisors (1800783363).

3915120957 is a wasteful number, since it uses less digits than its factorization.

3915120957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441324.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 3915120957 is about 62570.9274104196. The cubic root of 3915120957 is about 1576.0925929531.

The spelling of 3915120957 in words is "three billion, nine hundred fifteen million, one hundred twenty thousand, nine hundred fifty-seven".