2313221363664 has 40 divisors (see below), whose sum is σ = 6019441010880. Its totient is φ = 765445509888.

The previous prime is 2313221363611. The next prime is 2313221363689. The reversal of 2313221363664 is 4663631223132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175877044 + ... + 175890195.

It is an arithmetic number, because the mean of its divisors is an integer number (150486025272).

Almost surely, 2^{2313221363664} is an apocalyptic number.

2313221363664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2313221363664 is an abundant number, since it is smaller than the sum of its proper divisors (3706219647216).

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

2313221363664 is a wasteful number, since it uses less digits than its factorization.

2313221363664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351767387 (or 351767381 counting only the distinct ones).

The product of its digits is 559872, while the sum is 42.

Adding to 2313221363664 its reverse (4663631223132), we get a palindrome (6976852586796).

The spelling of 2313221363664 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred sixty-three thousand, six hundred sixty-four".