476428496643 has 96 divisors (see below), whose sum is σ = 763531591680. Its totient is φ = 283880376000.

The previous prime is 476428496639. The next prime is 476428496653. The reversal of 476428496643 is 346694824674.

It is a happy number.

476428496643 is a `hidden beast` number, since 4 + 7 + 64 + 28 + 496 + 64 + 3 = 666.

It is a Cunningham number, because it is equal to 690238²-1.

It is not a de Polignac number, because 476428496643 - 2² = 476428496639 is a prime.

It is a super-2 number, since 2×476428496643² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (476428496623) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 994631278 + ... + 994631756.

It is an arithmetic number, because the mean of its divisors is an integer number (7953454080).

Almost surely, 2^476428496643 is an apocalyptic number.

476428496643 is a deficient number, since it is larger than the sum of its proper divisors (287103095037).

476428496643 is a wasteful number, since it uses less digits than its factorization.

With its successor (476428496644) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1178).

476428496643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1178 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 63.

The spelling of 476428496643 in words is "four hundred seventy-six billion, four hundred twenty-eight million, four hundred ninety-six thousand, six hundred forty-three".