6913528157 has 4 divisors (see below), whose sum is σ = 7277398080. Its totient is φ = 6549658236.

The previous prime is 6913528151. The next prime is 6913528177. The reversal of 6913528157 is 7518253196.

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 6913528157 - 2⁶ = 6913528093 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 (6913528151) 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, 181934933 + ... + 181934970.

It is an arithmetic number, because the mean of its divisors is an integer number (1819349520).

Almost surely, 2^6913528157 is an apocalyptic number.

It is an amenable number.

6913528157 is a deficient number, since it is larger than the sum of its proper divisors (363869923).

6913528157 is a wasteful number, since it uses less digits than its factorization.

6913528157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363869922.

The product of its digits is 453600, while the sum is 47.

The square root of 6913528157 is about 83147.6286913824. The cubic root of 6913528157 is about 1905.0216338480.

The spelling of 6913528157 in words is "six billion, nine hundred thirteen million, five hundred twenty-eight thousand, one hundred fifty-seven".