36923720401 has 4 divisors (see below), whose sum is σ = 39095703972. Its totient is φ = 34751736832.

The previous prime is 36923720389. The next prime is 36923720411. The reversal of 36923720401 is 10402732963.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16673007376 + 20250713025 = 129124^2 + 142305^2 .

It is a cyclic number.

It is not a de Polignac number, because 36923720401 - 2²⁵ = 36890165969 is a prime.

It is a super-2 number, since 2×36923720401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36923720411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085991760 + ... + 1085991793.

It is an arithmetic number, because the mean of its divisors is an integer number (9773925993).

Almost surely, 2^36923720401 is an apocalyptic number.

It is an amenable number.

36923720401 is a deficient number, since it is larger than the sum of its proper divisors (2171983571).

36923720401 is a wasteful number, since it uses less digits than its factorization.

36923720401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171983570.

The product of its (nonzero) digits is 54432, while the sum is 37.

It can be divided in two parts, 36923720 and 401, that added together give a triangular number (36924121 = T₈₅₉₃).

The spelling of 36923720401 in words is "thirty-six billion, nine hundred twenty-three million, seven hundred twenty thousand, four hundred one".