9487513057 has 4 divisors (see below), whose sum is σ = 10350014256. Its totient is φ = 8625011860.

The previous prime is 9487513043. The next prime is 9487513169. The reversal of 9487513057 is 7503157849.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 9487513057 - 2⁷ = 9487512929 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 9487513057.

It is not an unprimeable number, because it can be changed into a prime (9487513457) 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, 431250583 + ... + 431250604.

It is an arithmetic number, because the mean of its divisors is an integer number (2587503564).

Almost surely, 2^9487513057 is an apocalyptic number.

It is an amenable number.

9487513057 is a deficient number, since it is larger than the sum of its proper divisors (862501199).

9487513057 is a wasteful number, since it uses less digits than its factorization.

9487513057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862501198.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The square root of 9487513057 is about 97403.8657189744. The cubic root of 9487513057 is about 2116.9834468850.

The spelling of 9487513057 in words is "nine billion, four hundred eighty-seven million, five hundred thirteen thousand, fifty-seven".