366740740657 has 2 divisors, whose sum is σ = 366740740658. Its totient is φ = 366740740656.

The previous prime is 366740740651. The next prime is 366740740679. The reversal of 366740740657 is 756047047663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315646206976 + 51094533681 = 561824^2 + 226041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366740740657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 366740740598 and 366740740607.

It is not a weakly prime, because it can be changed into another prime (366740740651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183370370328 + 183370370329.

It is an arithmetic number, because the mean of its divisors is an integer number (183370370329).

Almost surely, 2^366740740657 is an apocalyptic number.

It is an amenable number.

366740740657 is a deficient number, since it is larger than the sum of its proper divisors (1).

366740740657 is an equidigital number, since it uses as much as digits as its factorization.

366740740657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17781120, while the sum is 55.

The spelling of 366740740657 in words is "three hundred sixty-six billion, seven hundred forty million, seven hundred forty thousand, six hundred fifty-seven".