36637646354 has 4 divisors (see below), whose sum is σ = 54956469534. Its totient is φ = 18318823176.

The previous prime is 36637646351. The next prime is 36637646387. The reversal of 36637646354 is 45364673663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32426285329 + 4211361025 = 180073^2 + 64895^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36637646296 and 36637646305.

It is not an unprimeable number, because it can be changed into a prime (36637646351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9159411587 + ... + 9159411590.

Almost surely, 2^36637646354 is an apocalyptic number.

36637646354 is a deficient number, since it is larger than the sum of its proper divisors (18318823180).

36637646354 is a wasteful number, since it uses less digits than its factorization.

36637646354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318823179.

The product of its digits is 19595520, while the sum is 53.

The spelling of 36637646354 in words is "thirty-six billion, six hundred thirty-seven million, six hundred forty-six thousand, three hundred fifty-four".