36699748577 has 2 divisors, whose sum is σ = 36699748578. Its totient is φ = 36699748576.

The previous prime is 36699748571. The next prime is 36699748601. The reversal of 36699748577 is 77584799663.

36699748577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27367415761 + 9332332816 = 165431^2 + 96604^2 .

It is a cyclic number.

It is not a de Polignac number, because 36699748577 - 2¹⁴ = 36699732193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36699748577.

It is not a weakly prime, because it can be changed into another prime (36699748571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18349874288 + 18349874289.

It is an arithmetic number, because the mean of its divisors is an integer number (18349874289).

Almost surely, 2^36699748577 is an apocalyptic number.

It is an amenable number.

36699748577 is a deficient number, since it is larger than the sum of its proper divisors (1).

36699748577 is an equidigital number, since it uses as much as digits as its factorization.

36699748577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480090240, while the sum is 71.

The spelling of 36699748577 in words is "thirty-six billion, six hundred ninety-nine million, seven hundred forty-eight thousand, five hundred seventy-seven".