19116700069 has 2 divisors, whose sum is σ = 19116700070. Its totient is φ = 19116700068.

The previous prime is 19116700063. The next prime is 19116700093. The reversal of 19116700069 is 96000761191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15672536100 + 3444163969 = 125190^2 + 58687^2 .

It is a cyclic number.

It is not a de Polignac number, because 19116700069 - 2³ = 19116700061 is a prime.

It is a super-2 number, since 2×19116700069² (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 (19116700061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9558350034 + 9558350035.

It is an arithmetic number, because the mean of its divisors is an integer number (9558350035).

Almost surely, 2^19116700069 is an apocalyptic number.

It is an amenable number.

19116700069 is a deficient number, since it is larger than the sum of its proper divisors (1).

19116700069 is an equidigital number, since it uses as much as digits as its factorization.

19116700069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 19116700069 in words is "nineteen billion, one hundred sixteen million, seven hundred thousand, sixty-nine".