194457462918 has 16 divisors (see below), whose sum is σ = 395506704960. Its totient is φ = 63720524456.

The previous prime is 194457462847. The next prime is 194457462919. The reversal of 194457462918 is 819264754491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194457462919) 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, 274657080 + ... + 274657787.

It is an arithmetic number, because the mean of its divisors is an integer number (24719169060).

Almost surely, 2^194457462918 is an apocalyptic number.

194457462918 is an abundant number, since it is smaller than the sum of its proper divisors (201049242042).

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

194457462918 is a wasteful number, since it uses less digits than its factorization.

194457462918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549314931.

The product of its digits is 17418240, while the sum is 60.

The spelling of 194457462918 in words is "one hundred ninety-four billion, four hundred fifty-seven million, four hundred sixty-two thousand, nine hundred eighteen".