6625234231645 has 16 divisors (see below), whose sum is σ = 8576773821360. Its totient is φ = 4894290678784.

The previous prime is 6625234231621. The next prime is 6625234231657. The reversal of 6625234231645 is 5461324325266.

It can be written as a sum of positive squares in 8 ways, for example, as 881221522756 + 5744012708889 = 938734^2 + 2396667^2 .

It is a cyclic number.

It is not a de Polignac number, because 6625234231645 - 2⁵ = 6625234231613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735315610 + ... + 735324619.

It is an arithmetic number, because the mean of its divisors is an integer number (536048363835).

Almost surely, 2^{6625234231645} is an apocalyptic number.

It is an amenable number.

6625234231645 is a deficient number, since it is larger than the sum of its proper divisors (1951539589715).

6625234231645 is a wasteful number, since it uses less digits than its factorization.

6625234231645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470640304.

The product of its digits is 6220800, while the sum is 49.

The spelling of 6625234231645 in words is "six trillion, six hundred twenty-five billion, two hundred thirty-four million, two hundred thirty-one thousand, six hundred forty-five".