492064906637 has 2 divisors, whose sum is σ = 492064906638. Its totient is φ = 492064906636.

The previous prime is 492064906589. The next prime is 492064906657. The reversal of 492064906637 is 736609460294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488581428196 + 3483478441 = 698986^2 + 59021^2 .

It is a cyclic number.

It is not a de Polignac number, because 492064906637 - 2¹⁸ = 492064644493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492064906657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246032453318 + 246032453319.

It is an arithmetic number, because the mean of its divisors is an integer number (246032453319).

Almost surely, 2^492064906637 is an apocalyptic number.

It is an amenable number.

492064906637 is a deficient number, since it is larger than the sum of its proper divisors (1).

492064906637 is an equidigital number, since it uses as much as digits as its factorization.

492064906637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 492064906637 in words is "four hundred ninety-two billion, sixty-four million, nine hundred six thousand, six hundred thirty-seven".