7644067604231 has 16 divisors (see below), whose sum is σ = 8156747316960. Its totient is φ = 7138407843840.

The previous prime is 7644067604221. The next prime is 7644067604237. The reversal of 7644067604231 is 1324067604467.

It is a cyclic number.

It is not a de Polignac number, because 7644067604231 - 2³⁰ = 7642993862407 is a prime.

It is a super-2 number, since 2×7644067604231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7644067604231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7644067604237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14522015 + ... + 15039183.

It is an arithmetic number, because the mean of its divisors is an integer number (509796707310).

Almost surely, 2^{7644067604231} is an apocalyptic number.

7644067604231 is a deficient number, since it is larger than the sum of its proper divisors (512679712729).

7644067604231 is a wasteful number, since it uses less digits than its factorization.

7644067604231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523954.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 7644067604231 in words is "seven trillion, six hundred forty-four billion, sixty-seven million, six hundred four thousand, two hundred thirty-one".