6946927257 has 4 divisors (see below), whose sum is σ = 9262569680. Its totient is φ = 4631284836.

The previous prime is 6946927217. The next prime is 6946927271. The reversal of 6946927257 is 7527296496.

6946927257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6946927257 - 2¹⁵ = 6946894489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6946927197 and 6946927206.

It is not an unprimeable number, because it can be changed into a prime (6946927217) 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, 1157821207 + ... + 1157821212.

It is an arithmetic number, because the mean of its divisors is an integer number (2315642420).

Almost surely, 2^6946927257 is an apocalyptic number.

It is an amenable number.

6946927257 is a deficient number, since it is larger than the sum of its proper divisors (2315642423).

6946927257 is a wasteful number, since it uses less digits than its factorization.

6946927257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315642422.

The product of its digits is 11430720, while the sum is 57.

The square root of 6946927257 is about 83348.2288774033. The cubic root of 6946927257 is about 1908.0844127024.

The spelling of 6946927257 in words is "six billion, nine hundred forty-six million, nine hundred twenty-seven thousand, two hundred fifty-seven".