475198080391 has 4 divisors (see below), whose sum is σ = 480923358552. Its totient is φ = 469472802232.

The previous prime is 475198080373. The next prime is 475198080439. The reversal of 475198080391 is 193080891574.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193080891574 = 2 ⋅96540445787.

It is a cyclic number.

It is not a de Polignac number, because 475198080391 - 2²⁹ = 474661209479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475198080991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862638956 + ... + 2862639121.

It is an arithmetic number, because the mean of its divisors is an integer number (120230839638).

Almost surely, 2^475198080391 is an apocalyptic number.

475198080391 is a deficient number, since it is larger than the sum of its proper divisors (5725278161).

475198080391 is an equidigital number, since it uses as much as digits as its factorization.

475198080391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725278160.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 475198080391 in words is "four hundred seventy-five billion, one hundred ninety-eight million, eighty thousand, three hundred ninety-one".