747332313137 has 2 divisors, whose sum is σ = 747332313138. Its totient is φ = 747332313136.

The previous prime is 747332313121. The next prime is 747332313157. The reversal of 747332313137 is 731313233747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 638798964001 + 108533349136 = 799249^2 + 329444^2 .

It is a cyclic number.

It is not a de Polignac number, because 747332313137 - 2⁴ = 747332313121 is a prime.

It is not a weakly prime, because it can be changed into another prime (747332313107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373666156568 + 373666156569.

It is an arithmetic number, because the mean of its divisors is an integer number (373666156569).

Almost surely, 2^747332313137 is an apocalyptic number.

It is an amenable number.

747332313137 is a deficient number, since it is larger than the sum of its proper divisors (1).

747332313137 is an equidigital number, since it uses as much as digits as its factorization.

747332313137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 44.

The spelling of 747332313137 in words is "seven hundred forty-seven billion, three hundred thirty-two million, three hundred thirteen thousand, one hundred thirty-seven".