6931480491 has 24 divisors (see below), whose sum is σ = 11251103136. Its totient is φ = 4080067200.

The previous prime is 6931480487. The next prime is 6931480513. The reversal of 6931480491 is 1940841396.

It is not a de Polignac number, because 6931480491 - 2² = 6931480487 is a prime.

It is a super-2 number, since 2×6931480491² = 96090843594227202162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6931480471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285210 + ... + 1290591.

It is an arithmetic number, because the mean of its divisors is an integer number (468795964).

Almost surely, 2^6931480491 is an apocalyptic number.

6931480491 is a deficient number, since it is larger than the sum of its proper divisors (4319622645).

6931480491 is a wasteful number, since it uses less digits than its factorization.

6931480491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575843 (or 2575840 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 6931480491 is about 83255.5132768996. The cubic root of 6931480491 is about 1906.6691296235.

The spelling of 6931480491 in words is "six billion, nine hundred thirty-one million, four hundred eighty thousand, four hundred ninety-one".