3672642539321 has 4 divisors (see below), whose sum is σ = 4197305759232. Its totient is φ = 3147979319412.

The previous prime is 3672642539317. The next prime is 3672642539351. The reversal of 3672642539321 is 1239352462763.

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 3672642539321 - 2² = 3672642539317 is a prime.

It is a super-2 number, since 2×3672642539321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3672642539311) 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, 262331609945 + ... + 262331609958.

It is an arithmetic number, because the mean of its divisors is an integer number (1049326439808).

Almost surely, 2^{3672642539321} is an apocalyptic number.

It is an amenable number.

3672642539321 is a deficient number, since it is larger than the sum of its proper divisors (524663219911).

3672642539321 is an equidigital number, since it uses as much as digits as its factorization.

3672642539321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524663219910.

The product of its digits is 9797760, while the sum is 53.

The spelling of 3672642539321 in words is "three trillion, six hundred seventy-two billion, six hundred forty-two million, five hundred thirty-nine thousand, three hundred twenty-one".