42588531487 has 2 divisors, whose sum is σ = 42588531488. Its totient is φ = 42588531486.

The previous prime is 42588531443. The next prime is 42588531527. The reversal of 42588531487 is 78413588524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42588531487 - 2³⁵ = 8228793119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42588531287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21294265743 + 21294265744.

It is an arithmetic number, because the mean of its divisors is an integer number (21294265744).

Almost surely, 2^42588531487 is an apocalyptic number.

42588531487 is a deficient number, since it is larger than the sum of its proper divisors (1).

42588531487 is an equidigital number, since it uses as much as digits as its factorization.

42588531487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8601600, while the sum is 55.

The spelling of 42588531487 in words is "forty-two billion, five hundred eighty-eight million, five hundred thirty-one thousand, four hundred eighty-seven".