479651541621 has 8 divisors (see below), whose sum is σ = 730897587264. Its totient is φ = 274086595200.

The previous prime is 479651541553. The next prime is 479651541637. The reversal of 479651541621 is 126145156974.

It is a happy number.

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

It is not a de Polignac number, because 479651541621 - 2¹⁰ = 479651540597 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479651541641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11420274780 + ... + 11420274821.

It is an arithmetic number, because the mean of its divisors is an integer number (91362198408).

Almost surely, 2^479651541621 is an apocalyptic number.

It is an amenable number.

479651541621 is a deficient number, since it is larger than the sum of its proper divisors (251246045643).

479651541621 is a wasteful number, since it uses less digits than its factorization.

479651541621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840549611.

The product of its digits is 1814400, while the sum is 51.

The spelling of 479651541621 in words is "four hundred seventy-nine billion, six hundred fifty-one million, five hundred forty-one thousand, six hundred twenty-one".