683993134940 has 48 divisors (see below), whose sum is σ = 1447282946592. Its totient is φ = 271522707456.

The previous prime is 683993134927. The next prime is 683993134943. The reversal of 683993134940 is 49431399386.

It is a self number, because there is not a number n which added to its sum of digits gives 683993134940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683993134943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10096019 + ... + 10163541.

It is an arithmetic number, because the mean of its divisors is an integer number (30151728054).

Almost surely, 2^683993134940 is an apocalyptic number.

It is an amenable number.

683993134940 is an abundant number, since it is smaller than the sum of its proper divisors (763289811652).

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

683993134940 is a wasteful number, since it uses less digits than its factorization.

683993134940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71366 (or 71364 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 59.

The spelling of 683993134940 in words is "six hundred eighty-three billion, nine hundred ninety-three million, one hundred thirty-four thousand, nine hundred forty".