19337971099 has 2 divisors, whose sum is σ = 19337971100. Its totient is φ = 19337971098.

The previous prime is 19337971091. The next prime is 19337971123. The reversal of 19337971099 is 99017973391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19337971099 - 2³ = 19337971091 is a prime.

It is not a weakly prime, because it can be changed into another prime (19337971091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9668985549 + 9668985550.

It is an arithmetic number, because the mean of its divisors is an integer number (9668985550).

Almost surely, 2^19337971099 is an apocalyptic number.

19337971099 is a deficient number, since it is larger than the sum of its proper divisors (1).

19337971099 is an equidigital number, since it uses as much as digits as its factorization.

19337971099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2893401, while the sum is 58.

The spelling of 19337971099 in words is "nineteen billion, three hundred thirty-seven million, nine hundred seventy-one thousand, ninety-nine".