36728508629 has 2 divisors, whose sum is σ = 36728508630. Its totient is φ = 36728508628.

The previous prime is 36728508589. The next prime is 36728508673. The reversal of 36728508629 is 92680582763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23526958225 + 13201550404 = 153385^2 + 114898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36728508629 is a prime.

It is a super-2 number, since 2×36728508629² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36728508679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18364254314 + 18364254315.

It is an arithmetic number, because the mean of its divisors is an integer number (18364254315).

Almost surely, 2^36728508629 is an apocalyptic number.

It is an amenable number.

36728508629 is a deficient number, since it is larger than the sum of its proper divisors (1).

36728508629 is an equidigital number, since it uses as much as digits as its factorization.

36728508629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 36728508629 in words is "thirty-six billion, seven hundred twenty-eight million, five hundred eight thousand, six hundred twenty-nine".