2319113664 has 84 divisors (see below), whose sum is σ = 7596951024. Its totient is φ = 662602752.

The previous prime is 2319113663. The next prime is 2319113681. The reversal of 2319113664 is 4663119132.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2319113663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283557 + ... + 291620.

Almost surely, 2^2319113664 is an apocalyptic number.

2319113664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2319113664 is an abundant number, since it is smaller than the sum of its proper divisors (5277837360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2319113664 is a wasteful number, since it uses less digits than its factorization.

2319113664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575202 (or 575189 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2319113664 is about 48157.1766614281. The cubic root of 2319113664 is about 1323.6525833075.

The spelling of 2319113664 in words is "two billion, three hundred nineteen million, one hundred thirteen thousand, six hundred sixty-four".