19059136969 has 2 divisors, whose sum is σ = 19059136970. Its totient is φ = 19059136968.

The previous prime is 19059136937. The next prime is 19059136973. The reversal of 19059136969 is 96963195091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17745436944 + 1313700025 = 133212^2 + 36245^2 .

It is a cyclic number.

It is not a de Polignac number, because 19059136969 - 2⁵ = 19059136937 is a prime.

It is a super-2 number, since 2×19059136969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19059136469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9529568484 + 9529568485.

It is an arithmetic number, because the mean of its divisors is an integer number (9529568485).

Almost surely, 2^19059136969 is an apocalyptic number.

It is an amenable number.

19059136969 is a deficient number, since it is larger than the sum of its proper divisors (1).

19059136969 is an equidigital number, since it uses as much as digits as its factorization.

19059136969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3542940, while the sum is 58.

The spelling of 19059136969 in words is "nineteen billion, fifty-nine million, one hundred thirty-six thousand, nine hundred sixty-nine".