36499347637 has 2 divisors, whose sum is σ = 36499347638. Its totient is φ = 36499347636.

The previous prime is 36499347607. The next prime is 36499347671. The reversal of 36499347637 is 73674399463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34224630001 + 2274717636 = 184999^2 + 47694^2 .

It is a cyclic number.

It is not a de Polignac number, because 36499347637 - 2²⁷ = 36365129909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36499347607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18249673818 + 18249673819.

It is an arithmetic number, because the mean of its divisors is an integer number (18249673819).

Almost surely, 2^36499347637 is an apocalyptic number.

It is an amenable number.

36499347637 is a deficient number, since it is larger than the sum of its proper divisors (1).

36499347637 is an equidigital number, since it uses as much as digits as its factorization.

36499347637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61725888, while the sum is 61.

The spelling of 36499347637 in words is "thirty-six billion, four hundred ninety-nine million, three hundred forty-seven thousand, six hundred thirty-seven".