475567677991449 has 40 divisors (see below), whose sum is σ = 735203388395520. Its totient is φ = 305991579247200.

The previous prime is 475567677991447. The next prime is 475567677991487. The reversal of 475567677991449 is 944199776765574.

475567677991449 is a `hidden beast` number, since 4 + 7 + 5 + 5 + 6 + 7 + 6 + 7 + 79 + 91 + 449 = 666.

It is not a de Polignac number, because 475567677991449 - 2¹ = 475567677991447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475567677991447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34049817 + ... + 45940454.

It is an arithmetic number, because the mean of its divisors is an integer number (18380084709888).

Almost surely, 2^{475567677991449} is an apocalyptic number.

It is an amenable number.

475567677991449 is a deficient number, since it is larger than the sum of its proper divisors (259635710404071).

475567677991449 is a wasteful number, since it uses less digits than its factorization.

475567677991449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79992843 (or 79992834 counting only the distinct ones).

The product of its digits is 100818950400, while the sum is 90.

The spelling of 475567677991449 in words is "four hundred seventy-five trillion, five hundred sixty-seven billion, six hundred seventy-seven million, nine hundred ninety-one thousand, four hundred forty-nine".