976401006431 has 4 divisors (see below), whose sum is σ = 976410510792. Its totient is φ = 976391502072.

The previous prime is 976401006391. The next prime is 976401006437. The reversal of 976401006431 is 134600104679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-976401006431 is a prime.

It is a super-2 number, since 2×976401006431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976401006437) 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, 4596380 + ... + 4804113.

It is an arithmetic number, because the mean of its divisors is an integer number (244102627698).

Almost surely, 2^976401006431 is an apocalyptic number.

976401006431 is a deficient number, since it is larger than the sum of its proper divisors (9504361).

976401006431 is a wasteful number, since it uses less digits than its factorization.

976401006431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504360.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 976401006431 in words is "nine hundred seventy-six billion, four hundred one million, six thousand, four hundred thirty-one".