476747626421 has 36 divisors (see below), whose sum is σ = 542773206144. Its totient is φ = 414860623200.

The previous prime is 476747626409. The next prime is 476747626423. The reversal of 476747626421 is 124626747674.

It is not a de Polignac number, because 476747626421 - 2²⁶ = 476680517557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476747626423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1772295875 + ... + 1772296143.

It is an arithmetic number, because the mean of its divisors is an integer number (15077033504).

Almost surely, 2^476747626421 is an apocalyptic number.

It is an amenable number.

476747626421 is a deficient number, since it is larger than the sum of its proper divisors (66025579723).

476747626421 is an equidigital number, since it uses as much as digits as its factorization.

476747626421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 450 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 56.

The spelling of 476747626421 in words is "four hundred seventy-six billion, seven hundred forty-seven million, six hundred twenty-six thousand, four hundred twenty-one".