475062711491 has 4 divisors (see below), whose sum is σ = 487902244272. Its totient is φ = 462223178712.

The previous prime is 475062711467. The next prime is 475062711509. The reversal of 475062711491 is 194117260574.

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 475062711491 - 2¹⁰ = 475062710467 is a prime.

It is a super-2 number, since 2×475062711491² (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 (475062711421) 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, 6419766335 + ... + 6419766408.

It is an arithmetic number, because the mean of its divisors is an integer number (121975561068).

Almost surely, 2^475062711491 is an apocalyptic number.

475062711491 is a deficient number, since it is larger than the sum of its proper divisors (12839532781).

475062711491 is a wasteful number, since it uses less digits than its factorization.

475062711491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12839532780.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 475062711491 in words is "four hundred seventy-five billion, sixty-two million, seven hundred eleven thousand, four hundred ninety-one".