5664622031321 has 16 divisors (see below), whose sum is σ = 6191345061888. Its totient is φ = 5139867862800.

The previous prime is 5664622031317. The next prime is 5664622031371. The reversal of 5664622031321 is 1231302264665.

It is not a de Polignac number, because 5664622031321 - 2² = 5664622031317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5664622031371) 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, 12010460 + ... + 12473186.

It is an arithmetic number, because the mean of its divisors is an integer number (386959066368).

Almost surely, 2^{5664622031321} is an apocalyptic number.

It is an amenable number.

5664622031321 is a deficient number, since it is larger than the sum of its proper divisors (526723030567).

5664622031321 is a wasteful number, since it uses less digits than its factorization.

5664622031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464852.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 5664622031321 its reverse (1231302264665), we get a palindrome (6895924295986).

The spelling of 5664622031321 in words is "five trillion, six hundred sixty-four billion, six hundred twenty-two million, thirty-one thousand, three hundred twenty-one".