475564231507 has 4 divisors (see below), whose sum is σ = 475591578616. Its totient is φ = 475536884400.

The previous prime is 475564231501. The next prime is 475564231517. The reversal of 475564231507 is 705132465574.

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

It is a cyclic number.

It is not a de Polignac number, because 475564231507 - 2⁷ = 475564231379 is a prime.

It is a super-2 number, since 2×475564231507² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475564231501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13647453 + ... + 13682254.

It is an arithmetic number, because the mean of its divisors is an integer number (118897894654).

Almost surely, 2^475564231507 is an apocalyptic number.

475564231507 is a deficient number, since it is larger than the sum of its proper divisors (27347109).

475564231507 is a wasteful number, since it uses less digits than its factorization.

475564231507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27347108.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 475564231507 in words is "four hundred seventy-five billion, five hundred sixty-four million, two hundred thirty-one thousand, five hundred seven".