19465827913 has 16 divisors (see below), whose sum is σ = 22661942400. Its totient is φ = 16374758400.

The previous prime is 19465827907. The next prime is 19465827947. The reversal of 19465827913 is 31972856491.

It is a happy number.

It is not a de Polignac number, because 19465827913 - 2²⁵ = 19432273481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19465827973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140958 + ... + 242488.

It is an arithmetic number, because the mean of its divisors is an integer number (1416371400).

Almost surely, 2^19465827913 is an apocalyptic number.

It is an amenable number.

19465827913 is a deficient number, since it is larger than the sum of its proper divisors (3196114487).

19465827913 is a wasteful number, since it uses less digits than its factorization.

19465827913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102048.

The product of its digits is 3265920, while the sum is 55.

The spelling of 19465827913 in words is "nineteen billion, four hundred sixty-five million, eight hundred twenty-seven thousand, nine hundred thirteen".