42037608391 has 2 divisors, whose sum is σ = 42037608392. Its totient is φ = 42037608390.

The previous prime is 42037608359. The next prime is 42037608413. The reversal of 42037608391 is 19380673024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42037608391 - 2⁵ = 42037608359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42037608191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21018804195 + 21018804196.

It is an arithmetic number, because the mean of its divisors is an integer number (21018804196).

Almost surely, 2^42037608391 is an apocalyptic number.

42037608391 is a deficient number, since it is larger than the sum of its proper divisors (1).

42037608391 is an equidigital number, since it uses as much as digits as its factorization.

42037608391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 42037608391 in words is "forty-two billion, thirty-seven million, six hundred eight thousand, three hundred ninety-one".