683700632381 has 8 divisors (see below), whose sum is σ = 736315227480. Its totient is φ = 631089214272.

The previous prime is 683700632359. The next prime is 683700632387. The reversal of 683700632381 is 183236007386.

It can be written as a sum of positive squares in 4 ways, for example, as 236527568281 + 447173064100 = 486341^2 + 668710^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 683700632381 - 2¹⁰ = 683700631357 is a prime.

It is a super-2 number, since 2×683700632381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683700632387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337550 + ... + 1217103.

It is an arithmetic number, because the mean of its divisors is an integer number (92039403435).

Almost surely, 2^683700632381 is an apocalyptic number.

It is an amenable number.

683700632381 is a deficient number, since it is larger than the sum of its proper divisors (52614595099).

683700632381 is a wasteful number, since it uses less digits than its factorization.

683700632381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588495.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 683700632381 in words is "six hundred eighty-three billion, seven hundred million, six hundred thirty-two thousand, three hundred eighty-one".