36990964477 has 2 divisors, whose sum is σ = 36990964478. Its totient is φ = 36990964476.

The previous prime is 36990964447. The next prime is 36990964481. The reversal of 36990964477 is 77446909963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30046408921 + 6944555556 = 173339^2 + 83334^2 .

It is a cyclic number.

It is not a de Polignac number, because 36990964477 - 2¹⁵ = 36990931709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36990964447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18495482238 + 18495482239.

It is an arithmetic number, because the mean of its divisors is an integer number (18495482239).

Almost surely, 2^36990964477 is an apocalyptic number.

It is an amenable number.

36990964477 is a deficient number, since it is larger than the sum of its proper divisors (1).

36990964477 is an equidigital number, since it uses as much as digits as its factorization.

36990964477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61725888, while the sum is 64.

The spelling of 36990964477 in words is "thirty-six billion, nine hundred ninety million, nine hundred sixty-four thousand, four hundred seventy-seven".