42087939583 has 2 divisors, whose sum is σ = 42087939584. Its totient is φ = 42087939582.

The previous prime is 42087939581. The next prime is 42087939587. The reversal of 42087939583 is 38593978024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42087939583 - 2¹ = 42087939581 is a prime.

Together with 42087939581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42087939581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21043969791 + 21043969792.

It is an arithmetic number, because the mean of its divisors is an integer number (21043969792).

Almost surely, 2^42087939583 is an apocalyptic number.

42087939583 is a deficient number, since it is larger than the sum of its proper divisors (1).

42087939583 is an equidigital number, since it uses as much as digits as its factorization.

42087939583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 42087939583 in words is "forty-two billion, eighty-seven million, nine hundred thirty-nine thousand, five hundred eighty-three".