747331320321 has 12 divisors (see below), whose sum is σ = 1104582727248. Its totient is φ = 486634347864.

The previous prime is 747331320301. The next prime is 747331320383. The reversal of 747331320321 is 123023133747.

747331320321 is a `hidden beast` number, since 7 + 4 + 7 + 3 + 3 + 1 + 320 + 321 = 666.

It is not a de Polignac number, because 747331320321 - 2¹¹ = 747331318273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747331320301) 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, 965543955 + ... + 965544728.

It is an arithmetic number, because the mean of its divisors is an integer number (92048560604).

Almost surely, 2^747331320321 is an apocalyptic number.

It is an amenable number.

747331320321 is a deficient number, since it is larger than the sum of its proper divisors (357251406927).

747331320321 is a wasteful number, since it uses less digits than its factorization.

747331320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931088732 (or 1931088729 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 747331320321 in words is "seven hundred forty-seven billion, three hundred thirty-one million, three hundred twenty thousand, three hundred twenty-one".