19716992153 has 2 divisors, whose sum is σ = 19716992154. Its totient is φ = 19716992152.

The previous prime is 19716992147. The next prime is 19716992161. The reversal of 19716992153 is 35129961791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13389266944 + 6327725209 = 115712^2 + 79547^2 .

It is an emirp because it is prime and its reverse (35129961791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19716992153 - 2²⁸ = 19448556697 is a prime.

It is a super-2 number, since 2×19716992153² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19716992095 and 19716992104.

It is not a weakly prime, because it can be changed into another prime (19716992453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9858496076 + 9858496077.

It is an arithmetic number, because the mean of its divisors is an integer number (9858496077).

Almost surely, 2^19716992153 is an apocalyptic number.

It is an amenable number.

19716992153 is a deficient number, since it is larger than the sum of its proper divisors (1).

19716992153 is an equidigital number, since it uses as much as digits as its factorization.

19716992153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 53.

The spelling of 19716992153 in words is "nineteen billion, seven hundred sixteen million, nine hundred ninety-two thousand, one hundred fifty-three".