19052388613 has 2 divisors, whose sum is σ = 19052388614. Its totient is φ = 19052388612.

The previous prime is 19052388599. The next prime is 19052388623. The reversal of 19052388613 is 31688325091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17902975204 + 1149413409 = 133802^2 + 33903^2 .

It is a cyclic number.

It is not a de Polignac number, because 19052388613 - 2⁹ = 19052388101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19052388623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9526194306 + 9526194307.

It is an arithmetic number, because the mean of its divisors is an integer number (9526194307).

Almost surely, 2^19052388613 is an apocalyptic number.

It is an amenable number.

19052388613 is a deficient number, since it is larger than the sum of its proper divisors (1).

19052388613 is an equidigital number, since it uses as much as digits as its factorization.

19052388613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 19052388613 in words is "nineteen billion, fifty-two million, three hundred eighty-eight thousand, six hundred thirteen".