475447863121 has 16 divisors (see below), whose sum is σ = 601613429760. Its totient is φ = 364949315280.

The previous prime is 475447863101. The next prime is 475447863157. The reversal of 475447863121 is 121368744574.

It is not a de Polignac number, because 475447863121 - 2⁷ = 475447862993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475447863101) 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, 46074301 + ... + 46084618.

It is an arithmetic number, because the mean of its divisors is an integer number (37600839360).

Almost surely, 2^475447863121 is an apocalyptic number.

It is an amenable number.

475447863121 is a deficient number, since it is larger than the sum of its proper divisors (126165566639).

475447863121 is a wasteful number, since it uses less digits than its factorization.

475447863121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92159004.

The product of its digits is 4515840, while the sum is 52.

The spelling of 475447863121 in words is "four hundred seventy-five billion, four hundred forty-seven million, eight hundred sixty-three thousand, one hundred twenty-one".