475464643 has 16 divisors (see below), whose sum is σ = 498203136. Its totient is φ = 453379680.

The previous prime is 475464641. The next prime is 475464667. The reversal of 475464643 is 346464574.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 475464643 - 2¹ = 475464641 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 475464643.

It is not an unprimeable number, because it can be changed into a prime (475464641) 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, 405448 + ... + 406618.

It is an arithmetic number, because the mean of its divisors is an integer number (31137696).

Almost surely, 2^475464643 is an apocalyptic number.

475464643 is a deficient number, since it is larger than the sum of its proper divisors (22738493).

475464643 is a wasteful number, since it uses less digits than its factorization.

475464643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its digits is 967680, while the sum is 43.

The square root of 475464643 is about 21805.1517536567. The cubic root of 475464643 is about 780.4997033581.

The spelling of 475464643 in words is "four hundred seventy-five million, four hundred sixty-four thousand, six hundred forty-three".