475043435557 has 4 divisors (see below), whose sum is σ = 475084325196. Its totient is φ = 475002545920.

The previous prime is 475043435519. The next prime is 475043435561. The reversal of 475043435557 is 755534340574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21691692961 + 453351742596 = 147281^2 + 673314^2 .

It is a cyclic number.

It is not a de Polignac number, because 475043435557 - 2¹¹ = 475043433509 is a prime.

It is a super-2 number, since 2×475043435557² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475043435507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20427388 + ... + 20450629.

It is an arithmetic number, because the mean of its divisors is an integer number (118771081299).

Almost surely, 2^475043435557 is an apocalyptic number.

It is an amenable number.

475043435557 is a deficient number, since it is larger than the sum of its proper divisors (40889639).

475043435557 is a wasteful number, since it uses less digits than its factorization.

475043435557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40889638.

The product of its (nonzero) digits is 17640000, while the sum is 52.

The spelling of 475043435557 in words is "four hundred seventy-five billion, forty-three million, four hundred thirty-five thousand, five hundred fifty-seven".