475585965999 has 24 divisors (see below), whose sum is σ = 713207494272. Its totient is φ = 316698099480.

The previous prime is 475585965979. The next prime is 475585966021. The reversal of 475585965999 is 999569585574.

475585965999 is a `hidden beast` number, since 4 + 7 + 558 + 5 + 9 + 6 + 59 + 9 + 9 = 666.

It is not a de Polignac number, because 475585965999 - 2¹⁶ = 475585900463 is a prime.

It is a super-2 number, since 2×475585965999² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475585965979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 893667 + ... + 1322804.

It is an arithmetic number, because the mean of its divisors is an integer number (29716978928).

Almost surely, 2^475585965999 is an apocalyptic number.

475585965999 is a deficient number, since it is larger than the sum of its proper divisors (237621528273).

475585965999 is an equidigital number, since it uses as much as digits as its factorization.

475585965999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217369 (or 2217357 counting only the distinct ones).

The product of its digits is 5511240000, while the sum is 81.

The spelling of 475585965999 in words is "four hundred seventy-five billion, five hundred eighty-five million, nine hundred sixty-five thousand, nine hundred ninety-nine".