6325671561621 has 8 divisors (see below), whose sum is σ = 8434288070784. Its totient is φ = 4217084713440.

The previous prime is 6325671561593. The next prime is 6325671561637. The reversal of 6325671561621 is 1261651765236.

It is a happy number.

6325671561621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6325671561621 - 2⁵ = 6325671561589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6325671561691) 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 7 ways as a sum of consecutive naturals, for example, 6912760 + ... + 7774161.

It is an arithmetic number, because the mean of its divisors is an integer number (1054286008848).

Almost surely, 2^{6325671561621} is an apocalyptic number.

It is an amenable number.

6325671561621 is a deficient number, since it is larger than the sum of its proper divisors (2108616509163).

6325671561621 is a wasteful number, since it uses less digits than its factorization.

6325671561621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830491.

The product of its digits is 2721600, while the sum is 51.

The spelling of 6325671561621 in words is "six trillion, three hundred twenty-five billion, six hundred seventy-one million, five hundred sixty-one thousand, six hundred twenty-one".