9461812631 has 2 divisors, whose sum is σ = 9461812632. Its totient is φ = 9461812630.

The previous prime is 9461812573. The next prime is 9461812649. The reversal of 9461812631 is 1362181649.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9461812631 - 2¹⁰ = 9461811607 is a prime.

It is a super-2 number, since 2×9461812631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9461812681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4730906315 + 4730906316.

It is an arithmetic number, because the mean of its divisors is an integer number (4730906316).

Almost surely, 2^9461812631 is an apocalyptic number.

9461812631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9461812631 is an equidigital number, since it uses as much as digits as its factorization.

9461812631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 9461812631 is about 97271.8491188484. The cubic root of 9461812631 is about 2115.0701749300.

The spelling of 9461812631 in words is "nine billion, four hundred sixty-one million, eight hundred twelve thousand, six hundred thirty-one".