19615600231 has 2 divisors, whose sum is σ = 19615600232. Its totient is φ = 19615600230.

The previous prime is 19615600211. The next prime is 19615600241. The reversal of 19615600231 is 13200651691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19615600231 - 2¹⁵ = 19615567463 is a prime.

It is a super-2 number, since 2×19615600231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19615600201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9807800115 + 9807800116.

It is an arithmetic number, because the mean of its divisors is an integer number (9807800116).

Almost surely, 2^19615600231 is an apocalyptic number.

19615600231 is a deficient number, since it is larger than the sum of its proper divisors (1).

19615600231 is an equidigital number, since it uses as much as digits as its factorization.

19615600231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 19615600231 in words is "nineteen billion, six hundred fifteen million, six hundred thousand, two hundred thirty-one".