475595557149 has 24 divisors (see below), whose sum is σ = 653478561120. Its totient is φ = 307666361664.

The previous prime is 475595557093. The next prime is 475595557259. The reversal of 475595557149 is 941755595574.

It is not a de Polignac number, because 475595557149 - 2¹¹ = 475595555101 is a prime.

It is a super-2 number, since 2×475595557149² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 475595557149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475595557049) 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, 1376682 + ... + 1687140.

It is an arithmetic number, because the mean of its divisors is an integer number (27228273380).

Almost surely, 2^475595557149 is an apocalyptic number.

It is an amenable number.

475595557149 is a deficient number, since it is larger than the sum of its proper divisors (177883003971).

475595557149 is a wasteful number, since it uses less digits than its factorization.

475595557149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310909 (or 310872 counting only the distinct ones).

The product of its digits is 198450000, while the sum is 66.

The spelling of 475595557149 in words is "four hundred seventy-five billion, five hundred ninety-five million, five hundred fifty-seven thousand, one hundred forty-nine".