478414270091 has 2 divisors, whose sum is σ = 478414270092. Its totient is φ = 478414270090.

The previous prime is 478414270067. The next prime is 478414270163. The reversal of 478414270091 is 190072414874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478414270091 - 2⁶ = 478414270027 is a prime.

It is not a weakly prime, because it can be changed into another prime (478414270021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239207135045 + 239207135046.

It is an arithmetic number, because the mean of its divisors is an integer number (239207135046).

Almost surely, 2^478414270091 is an apocalyptic number.

478414270091 is a deficient number, since it is larger than the sum of its proper divisors (1).

478414270091 is an equidigital number, since it uses as much as digits as its factorization.

478414270091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 478414270091 in words is "four hundred seventy-eight billion, four hundred fourteen million, two hundred seventy thousand, ninety-one".