913043957 has 4 divisors (see below), whose sum is σ = 1043478816. Its totient is φ = 782609100.

The previous prime is 913043953. The next prime is 913043959. The reversal of 913043957 is 759340319.

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.

It is not a de Polignac number, because 913043957 - 2² = 913043953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913043951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65217419 + ... + 65217432.

It is an arithmetic number, because the mean of its divisors is an integer number (260869704).

Almost surely, 2^913043957 is an apocalyptic number.

It is an amenable number.

913043957 is a deficient number, since it is larger than the sum of its proper divisors (130434859).

913043957 is a wasteful number, since it uses less digits than its factorization.

913043957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130434858.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 913043957 is about 30216.6172329068. The cubic root of 913043957 is about 970.1314014074.

The spelling of 913043957 in words is "nine hundred thirteen million, forty-three thousand, nine hundred fifty-seven".