331899394494 has 32 divisors (see below), whose sum is σ = 676083853440. Its totient is φ = 108591366752.

The previous prime is 331899394487. The next prime is 331899394517. The reversal of 331899394494 is 494493998133.

It is a happy number.

It is a super-3 number, since 3×331899394494³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486732 + ... + 949055.

It is an arithmetic number, because the mean of its divisors is an integer number (21127620420).

Almost surely, 2^331899394494 is an apocalyptic number.

331899394494 is an abundant number, since it is smaller than the sum of its proper divisors (344184458946).

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

331899394494 is a wasteful number, since it uses less digits than its factorization.

331899394494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436504.

The product of its digits is 90699264, while the sum is 66.

The spelling of 331899394494 in words is "three hundred thirty-one billion, eight hundred ninety-nine million, three hundred ninety-four thousand, four hundred ninety-four".