42592992889 has 2 divisors, whose sum is σ = 42592992890. Its totient is φ = 42592992888.

The previous prime is 42592992881. The next prime is 42592992929. The reversal of 42592992889 is 98829929524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31868319289 + 10724673600 = 178517^2 + 103560^2 .

It is a cyclic number.

It is not a de Polignac number, because 42592992889 - 2³ = 42592992881 is a prime.

It is not a weakly prime, because it can be changed into another prime (42592992881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21296496444 + 21296496445.

It is an arithmetic number, because the mean of its divisors is an integer number (21296496445).

Almost surely, 2^42592992889 is an apocalyptic number.

It is an amenable number.

42592992889 is a deficient number, since it is larger than the sum of its proper divisors (1).

42592992889 is an equidigital number, since it uses as much as digits as its factorization.

42592992889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 67.

The spelling of 42592992889 in words is "forty-two billion, five hundred ninety-two million, nine hundred ninety-two thousand, eight hundred eighty-nine".