19465331099 has 2 divisors, whose sum is σ = 19465331100. Its totient is φ = 19465331098.

The previous prime is 19465331059. The next prime is 19465331141. The reversal of 19465331099 is 99013356491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19465331099 - 2²⁸ = 19196895643 is a prime.

It is a super-2 number, since 2×19465331099² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19465331059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9732665549 + 9732665550.

It is an arithmetic number, because the mean of its divisors is an integer number (9732665550).

Almost surely, 2^19465331099 is an apocalyptic number.

19465331099 is a deficient number, since it is larger than the sum of its proper divisors (1).

19465331099 is an equidigital number, since it uses as much as digits as its factorization.

19465331099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 19465331099 in words is "nineteen billion, four hundred sixty-five million, three hundred thirty-one thousand, ninety-nine".