683794909504 has 56 divisors (see below), whose sum is σ = 1552756099968. Its totient is φ = 292675699200.

The previous prime is 683794909481. The next prime is 683794909531. The reversal of 683794909504 is 405909497386.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640972 + ... + 1333579.

Almost surely, 2^683794909504 is an apocalyptic number.

683794909504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

683794909504 is an abundant number, since it is smaller than the sum of its proper divisors (868961190464).

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

683794909504 is a wasteful number, since it uses less digits than its factorization.

683794909504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975343 (or 1975333 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 683794909504 in words is "six hundred eighty-three billion, seven hundred ninety-four million, nine hundred nine thousand, five hundred four".