36689659725601 has 3 divisors (see below), whose sum is σ = 36689665782801. Its totient is φ = 36689653668402.

The previous prime is 36689659725571. The next prime is 36689659725647. The reversal of 36689659725601 is 10652795698663.

The square root of 36689659725601 is 6057199.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 36689659725601 - 2⁵ = 36689659725569 is a prime.

It is a super-2 number, since 2×36689659725601² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36689659125601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3028600 + ... + 9085798.

It is an arithmetic number, because the mean of its divisors is an integer number (12229888594267).

Almost surely, 2^{36689659725601} is an apocalyptic number.

36689659725601 is the 6057199-th square number.

36689659725601 is the 3028600-th centered octagonal number.

It is an amenable number.

36689659725601 is a deficient number, since it is larger than the sum of its proper divisors (6057200).

36689659725601 is an frugal number, since it uses more digits than its factorization.

36689659725601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114398 (or 6057199 counting only the distinct ones).

The product of its (nonzero) digits is 881798400, while the sum is 73.

The spelling of 36689659725601 in words is "thirty-six trillion, six hundred eighty-nine billion, six hundred fifty-nine million, seven hundred twenty-five thousand, six hundred one".