6461087457 has 12 divisors (see below), whose sum is σ = 9469142480. Its totient is φ = 3915810360.

The previous prime is 6461087417. The next prime is 6461087461. The reversal of 6461087457 is 7547801646.

It is not a de Polignac number, because 6461087457 - 2²⁷ = 6326869729 is a prime.

It is a super-2 number, since 2×6461087457² = 83491302254005453698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6461087407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8899207 + ... + 8899932.

Almost surely, 2^6461087457 is an apocalyptic number.

It is an amenable number.

6461087457 is a deficient number, since it is larger than the sum of its proper divisors (3008055023).

6461087457 is a wasteful number, since it uses less digits than its factorization.

6461087457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17799164 (or 17799153 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 6461087457 is about 80380.8898743974. The cubic root of 6461087457 is about 1862.5239809653.

The spelling of 6461087457 in words is "six billion, four hundred sixty-one million, eighty-seven thousand, four hundred fifty-seven".