19052856899 has 2 divisors, whose sum is σ = 19052856900. Its totient is φ = 19052856898.

The previous prime is 19052856883. The next prime is 19052857009. The reversal of 19052856899 is 99865825091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19052856899 - 2⁴ = 19052856883 is a prime.

It is a super-2 number, since 2×19052856899² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19052856859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9526428449 + 9526428450.

It is an arithmetic number, because the mean of its divisors is an integer number (9526428450).

Almost surely, 2^19052856899 is an apocalyptic number.

19052856899 is a deficient number, since it is larger than the sum of its proper divisors (1).

19052856899 is an equidigital number, since it uses as much as digits as its factorization.

19052856899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 62.

The spelling of 19052856899 in words is "nineteen billion, fifty-two million, eight hundred fifty-six thousand, eight hundred ninety-nine".