431164193898 has 16 divisors (see below), whose sum is σ = 862907538240. Its totient is φ = 143624872896.

The previous prime is 431164193893. The next prime is 431164193899. The reversal of 431164193898 is 898391461134.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (431164193893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24121590 + ... + 24139457.

It is an arithmetic number, because the mean of its divisors is an integer number (53931721140).

Almost surely, 2^431164193898 is an apocalyptic number.

431164193898 is an abundant number, since it is smaller than the sum of its proper divisors (431743344342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431164193898 is a wasteful number, since it uses less digits than its factorization.

431164193898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48262541.

The product of its digits is 4478976, while the sum is 57.

The spelling of 431164193898 in words is "four hundred thirty-one billion, one hundred sixty-four million, one hundred ninety-three thousand, eight hundred ninety-eight".