36993663364321 has 4 divisors (see below), whose sum is σ = 36994735710000. Its totient is φ = 36992591018644.

The previous prime is 36993663364261. The next prime is 36993663364369. The reversal of 36993663364321 is 12346336639963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36993663364321 - 2¹⁷ = 36993663233249 is a prime.

It is a super-2 number, since 2×36993663364321² (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 (36993663364421) 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, 536121091 + ... + 536190088.

It is an arithmetic number, because the mean of its divisors is an integer number (9248683927500).

Almost surely, 2^{36993663364321} is an apocalyptic number.

It is an amenable number.

36993663364321 is a deficient number, since it is larger than the sum of its proper divisors (1072345679).

36993663364321 is a wasteful number, since it uses less digits than its factorization.

36993663364321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072345678.

The product of its digits is 204073344, while the sum is 64.

The spelling of 36993663364321 in words is "thirty-six trillion, nine hundred ninety-three billion, six hundred sixty-three million, three hundred sixty-four thousand, three hundred twenty-one".