19159298009 has 2 divisors, whose sum is σ = 19159298010. Its totient is φ = 19159298008.

The previous prime is 19159297981. The next prime is 19159298023. The reversal of 19159298009 is 90089295191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18021720025 + 1137577984 = 134245^2 + 33728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19159298009 is a prime.

It is not a weakly prime, because it can be changed into another prime (19159208009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9579649004 + 9579649005.

It is an arithmetic number, because the mean of its divisors is an integer number (9579649005).

Almost surely, 2^19159298009 is an apocalyptic number.

It is an amenable number.

19159298009 is a deficient number, since it is larger than the sum of its proper divisors (1).

19159298009 is an equidigital number, since it uses as much as digits as its factorization.

19159298009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 53.

The spelling of 19159298009 in words is "nineteen billion, one hundred fifty-nine million, two hundred ninety-eight thousand, nine".