36990996740657 has 2 divisors, whose sum is σ = 36990996740658. Its totient is φ = 36990996740656.

The previous prime is 36990996740627. The next prime is 36990996740713. The reversal of 36990996740657 is 75604769909963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36682839636496 + 308157104161 = 6056636^2 + 555119^2 .

It is a cyclic number.

It is not a de Polignac number, because 36990996740657 - 2¹⁶ = 36990996675121 is a prime.

It is not a weakly prime, because it can be changed into another prime (36990996740627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18495498370328 + 18495498370329.

It is an arithmetic number, because the mean of its divisors is an integer number (18495498370329).

Almost surely, 2^{36990996740657} is an apocalyptic number.

It is an amenable number.

36990996740657 is a deficient number, since it is larger than the sum of its proper divisors (1).

36990996740657 is an equidigital number, since it uses as much as digits as its factorization.

36990996740657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4166497440, while the sum is 80.

The spelling of 36990996740657 in words is "thirty-six trillion, nine hundred ninety billion, nine hundred ninety-six million, seven hundred forty thousand, six hundred fifty-seven".