476045715273721 has 4 divisors (see below), whose sum is σ = 476048603907700. Its totient is φ = 476042826639744.

The previous prime is 476045715273671. The next prime is 476045715273757. The reversal of 476045715273721 is 127372517540674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234387373381225 + 241658341892496 = 15309715^2 + 15545364^2 .

It is a cyclic number.

It is not a de Polignac number, because 476045715273721 - 2⁹ = 476045715273209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 476045715273721.

It is not an unprimeable number, because it can be changed into a prime (476045715273521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444069776 + ... + 1444399393.

It is an arithmetic number, because the mean of its divisors is an integer number (119012150976925).

Almost surely, 2^{476045715273721} is an apocalyptic number.

It is an amenable number.

476045715273721 is a deficient number, since it is larger than the sum of its proper divisors (2888633979).

476045715273721 is a wasteful number, since it uses less digits than its factorization.

476045715273721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888633978.

The product of its (nonzero) digits is 69148800, while the sum is 61.

The spelling of 476045715273721 in words is "four hundred seventy-six trillion, forty-five billion, seven hundred fifteen million, two hundred seventy-three thousand, seven hundred twenty-one".