6465000019499 has 16 divisors (see below), whose sum is σ = 7777551532800. Its totient is φ = 5249701619424.

The previous prime is 6465000019469. The next prime is 6465000019501. The reversal of 6465000019499 is 9949100005646.

It is a cyclic number.

It is not a de Polignac number, because 6465000019499 - 2²⁰ = 6464998970923 is a prime.

It is a super-2 number, since 2×6465000019499² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6465000019499.

It is not an unprimeable number, because it can be changed into a prime (6465000019469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10618757 + ... + 11211065.

It is an arithmetic number, because the mean of its divisors is an integer number (486096970800).

Almost surely, 2^{6465000019499} is an apocalyptic number.

6465000019499 is a deficient number, since it is larger than the sum of its proper divisors (1312551513301).

6465000019499 is a wasteful number, since it uses less digits than its factorization.

6465000019499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674402.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 6465000019499 in words is "six trillion, four hundred sixty-five billion, nineteen thousand, four hundred ninety-nine".