683834198542 has 48 divisors (see below), whose sum is σ = 1164016578816. Its totient is φ = 300848644800.

The previous prime is 683834198503. The next prime is 683834198549. The reversal of 683834198542 is 245891438386.

It is a super-2 number, since 2×683834198542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683834198549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510288 + ... + 1910140.

It is an arithmetic number, because the mean of its divisors is an integer number (24250345392).

Almost surely, 2^683834198542 is an apocalyptic number.

683834198542 is a deficient number, since it is larger than the sum of its proper divisors (480182380274).

683834198542 is a wasteful number, since it uses less digits than its factorization.

683834198542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400105 (or 400094 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 61.

The spelling of 683834198542 in words is "six hundred eighty-three billion, eight hundred thirty-four million, one hundred ninety-eight thousand, five hundred forty-two".