683700139746 has 56 divisors (see below), whose sum is σ = 1655900574300. Its totient is φ = 210369267936.

The previous prime is 683700139651. The next prime is 683700139757. The reversal of 683700139746 is 647931007386.

It can be written as a sum of positive squares in 2 ways, for example, as 677841002721 + 5859137025 = 823311^2 + 76545^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 683700139692 and 683700139701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18016821 + ... + 18054728.

Almost surely, 2^683700139746 is an apocalyptic number.

683700139746 is an abundant number, since it is smaller than the sum of its proper divisors (972200434554).

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

683700139746 is a wasteful number, since it uses less digits than its factorization.

683700139746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36071582 (or 36071567 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 683700139746 in words is "six hundred eighty-three billion, seven hundred million, one hundred thirty-nine thousand, seven hundred forty-six".