475950031591 has 2 divisors, whose sum is σ = 475950031592. Its totient is φ = 475950031590.

The previous prime is 475950031589. The next prime is 475950031603. The reversal of 475950031591 is 195130059574.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475950031591 - 2¹ = 475950031589 is a prime.

Together with 475950031589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475950031561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237975015795 + 237975015796.

It is an arithmetic number, because the mean of its divisors is an integer number (237975015796).

Almost surely, 2^475950031591 is an apocalyptic number.

475950031591 is a deficient number, since it is larger than the sum of its proper divisors (1).

475950031591 is an equidigital number, since it uses as much as digits as its factorization.

475950031591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 850500, while the sum is 49.

The spelling of 475950031591 in words is "four hundred seventy-five billion, nine hundred fifty million, thirty-one thousand, five hundred ninety-one".