746647731161 has 2 divisors, whose sum is σ = 746647731162. Its totient is φ = 746647731160.

The previous prime is 746647731127. The next prime is 746647731163. The reversal of 746647731161 is 161137746647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602300166400 + 144347564761 = 776080^2 + 379931^2 .

It is a cyclic number.

It is not a de Polignac number, because 746647731161 - 2⁶ = 746647731097 is a prime.

Together with 746647731163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (746647731163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373323865580 + 373323865581.

It is an arithmetic number, because the mean of its divisors is an integer number (373323865581).

Almost surely, 2^746647731161 is an apocalyptic number.

It is an amenable number.

746647731161 is a deficient number, since it is larger than the sum of its proper divisors (1).

746647731161 is an equidigital number, since it uses as much as digits as its factorization.

746647731161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 53.

The spelling of 746647731161 in words is "seven hundred forty-six billion, six hundred forty-seven million, seven hundred thirty-one thousand, one hundred sixty-one".