19587472631 has 2 divisors, whose sum is σ = 19587472632. Its totient is φ = 19587472630.

The previous prime is 19587472561. The next prime is 19587472633. The reversal of 19587472631 is 13627478591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19587472631 - 2²⁶ = 19520363767 is a prime.

It is a super-2 number, since 2×19587472631² (a number of 21 digits) contains 22 as substring.

Together with 19587472633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19587472633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9793736315 + 9793736316.

It is an arithmetic number, because the mean of its divisors is an integer number (9793736316).

Almost surely, 2^19587472631 is an apocalyptic number.

19587472631 is a deficient number, since it is larger than the sum of its proper divisors (1).

19587472631 is an equidigital number, since it uses as much as digits as its factorization.

19587472631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The spelling of 19587472631 in words is "nineteen billion, five hundred eighty-seven million, four hundred seventy-two thousand, six hundred thirty-one".