373699989936 has 480 divisors, whose sum is σ = 1363393451520. Its totient is φ = 95889650688.

The previous prime is 373699989913. The next prime is 373699989947. The reversal of 373699989936 is 639989996373.

It is a happy number.

373699989936 is a `hidden beast` number, since 3 + 7 + 369 + 99 + 89 + 93 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18899191 + ... + 18918953.

It is an arithmetic number, because the mean of its divisors is an integer number (2840403024).

Almost surely, 2^373699989936 is an apocalyptic number.

373699989936 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 373699989936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681696725760).

373699989936 is an abundant number, since it is smaller than the sum of its proper divisors (989693461584).

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

373699989936 is a wasteful number, since it uses less digits than its factorization.

373699989936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850 (or 19825 counting only the distinct ones).

The product of its digits is 3214155168, while the sum is 81.

The spelling of 373699989936 in words is "three hundred seventy-three billion, six hundred ninety-nine million, nine hundred eighty-nine thousand, nine hundred thirty-six".