475198080991 has 2 divisors, whose sum is σ = 475198080992. Its totient is φ = 475198080990.

The previous prime is 475198080989. The next prime is 475198081019. The reversal of 475198080991 is 199080891574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475198080991 - 2¹ = 475198080989 is a prime.

Together with 475198080989, 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 (475198080941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237599040495 + 237599040496.

It is an arithmetic number, because the mean of its divisors is an integer number (237599040496).

Almost surely, 2^475198080991 is an apocalyptic number.

475198080991 is a deficient number, since it is larger than the sum of its proper divisors (1).

475198080991 is an equidigital number, since it uses as much as digits as its factorization.

475198080991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 61.

The spelling of 475198080991 in words is "four hundred seventy-five billion, one hundred ninety-eight million, eighty thousand, nine hundred ninety-one".