9420672631 has 2 divisors, whose sum is σ = 9420672632. Its totient is φ = 9420672630.

The previous prime is 9420672629. The next prime is 9420672637. The reversal of 9420672631 is 1362760249.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9420672631 - 2¹ = 9420672629 is a prime.

It is a super-2 number, since 2×9420672631² (a number of 21 digits) contains 22 as substring.

Together with 9420672629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9420672637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710336315 + 4710336316.

It is an arithmetic number, because the mean of its divisors is an integer number (4710336316).

Almost surely, 2^9420672631 is an apocalyptic number.

9420672631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420672631 is an equidigital number, since it uses as much as digits as its factorization.

9420672631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 9420672631 is about 97060.1495517084. The cubic root of 9420672631 is about 2112.0002767226. Note that the first 3 decimals are identical.

The spelling of 9420672631 in words is "nine billion, four hundred twenty million, six hundred seventy-two thousand, six hundred thirty-one".