36739830472921 has 3 divisors (see below), whose sum is σ = 36739836534261. Its totient is φ = 36739824411582.

The previous prime is 36739830472903. The next prime is 36739830473107. The reversal of 36739830472921 is 12927403893763.

The square root of 36739830472921 is 6061339.

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 36739830472921 - 2⁵ = 36739830472889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36739830472721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3030670 + ... + 9092008.

It is an arithmetic number, because the mean of its divisors is an integer number (12246612178087).

Almost surely, 2^{36739830472921} is an apocalyptic number.

36739830472921 is the 6061339-th square number.

36739830472921 is the 3030670-th centered octagonal number.

It is an amenable number.

36739830472921 is a deficient number, since it is larger than the sum of its proper divisors (6061340).

36739830472921 is an frugal number, since it uses more digits than its factorization.

36739830472921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122678 (or 6061339 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 64.

The spelling of 36739830472921 in words is "thirty-six trillion, seven hundred thirty-nine billion, eight hundred thirty million, four hundred seventy-two thousand, nine hundred twenty-one".