474432191 has 2 divisors, whose sum is σ = 474432192. Its totient is φ = 474432190.

The previous prime is 474432181. The next prime is 474432221. The reversal of 474432191 is 191234474.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474432191 - 2²⁶ = 407323327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474432121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237216095 + 237216096.

It is an arithmetic number, because the mean of its divisors is an integer number (237216096).

Almost surely, 2^474432191 is an apocalyptic number.

474432191 is a deficient number, since it is larger than the sum of its proper divisors (1).

474432191 is an equidigital number, since it uses as much as digits as its factorization.

474432191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 474432191 is about 21781.4643906235. The cubic root of 474432191 is about 779.9343529016.

The spelling of 474432191 in words is "four hundred seventy-four million, four hundred thirty-two thousand, one hundred ninety-one".