683993135154 has 64 divisors (see below), whose sum is σ = 1602183002112. Its totient is φ = 190584144000.

The previous prime is 683993135143. The next prime is 683993135179. The reversal of 683993135154 is 451531399386.

It is a super-2 number, since 2×683993135154² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 683993135094 and 683993135103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4314969 + ... + 4470675.

It is an arithmetic number, because the mean of its divisors is an integer number (25034109408).

Almost surely, 2^683993135154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683993135154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801091501056).

683993135154 is an abundant number, since it is smaller than the sum of its proper divisors (918189866958).

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

683993135154 is a wasteful number, since it uses less digits than its factorization.

683993135154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158311.

The product of its digits is 10497600, while the sum is 57.

The spelling of 683993135154 in words is "six hundred eighty-three billion, nine hundred ninety-three million, one hundred thirty-five thousand, one hundred fifty-four".