442925550631 has 2 divisors, whose sum is σ = 442925550632. Its totient is φ = 442925550630.

The previous prime is 442925550553. The next prime is 442925550649. The reversal of 442925550631 is 136055529244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442925550631 is a prime.

It is a super-2 number, since 2×442925550631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440925550631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221462775315 + 221462775316.

It is an arithmetic number, because the mean of its divisors is an integer number (221462775316).

Almost surely, 2^442925550631 is an apocalyptic number.

442925550631 is a deficient number, since it is larger than the sum of its proper divisors (1).

442925550631 is an equidigital number, since it uses as much as digits as its factorization.

442925550631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 442925550631 in words is "four hundred forty-two billion, nine hundred twenty-five million, five hundred fifty thousand, six hundred thirty-one".