36604490309 has 2 divisors, whose sum is σ = 36604490310. Its totient is φ = 36604490308.

The previous prime is 36604490297. The next prime is 36604490339. The reversal of 36604490309 is 90309440663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36246448225 + 358042084 = 190385^2 + 18922^2 .

It is a cyclic number.

It is not a de Polignac number, because 36604490309 - 2⁸ = 36604490053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36604490309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36604490339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18302245154 + 18302245155.

It is an arithmetic number, because the mean of its divisors is an integer number (18302245155).

Almost surely, 2^36604490309 is an apocalyptic number.

It is an amenable number.

36604490309 is a deficient number, since it is larger than the sum of its proper divisors (1).

36604490309 is an equidigital number, since it uses as much as digits as its factorization.

36604490309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 36604490309 in words is "thirty-six billion, six hundred four million, four hundred ninety thousand, three hundred nine".