42592992881 has 2 divisors, whose sum is σ = 42592992882. Its totient is φ = 42592992880.

The previous prime is 42592992863. The next prime is 42592992889. The reversal of 42592992881 is 18829929524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34441792225 + 8151200656 = 185585^2 + 90284^2 .

It is a cyclic number.

It is not a de Polignac number, because 42592992881 - 2¹⁴ = 42592976497 is a prime.

It is a super-2 number, since 2×42592992881² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42592992881.

It is not a weakly prime, because it can be changed into another prime (42592992889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21296496440 + 21296496441.

It is an arithmetic number, because the mean of its divisors is an integer number (21296496441).

Almost surely, 2^42592992881 is an apocalyptic number.

It is an amenable number.

42592992881 is a deficient number, since it is larger than the sum of its proper divisors (1).

42592992881 is an equidigital number, since it uses as much as digits as its factorization.

42592992881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 59.

The spelling of 42592992881 in words is "forty-two billion, five hundred ninety-two million, nine hundred ninety-two thousand, eight hundred eighty-one".