475234077989 has 16 divisors (see below), whose sum is σ = 525992249664. Its totient is φ = 425761056000.

The previous prime is 475234077919. The next prime is 475234078009. The reversal of 475234077989 is 989770432574.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475234077989 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 (475234077919) 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, 282914 + ... + 1015139.

It is an arithmetic number, because the mean of its divisors is an integer number (32874515604).

Almost surely, 2^475234077989 is an apocalyptic number.

It is an amenable number.

475234077989 is a deficient number, since it is larger than the sum of its proper divisors (50758171675).

475234077989 is a wasteful number, since it uses less digits than its factorization.

475234077989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298548.

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 475234077989 in words is "four hundred seventy-five billion, two hundred thirty-four million, seventy-seven thousand, nine hundred eighty-nine".