683972459456837 has 2 divisors, whose sum is σ = 683972459456838. Its totient is φ = 683972459456836.

The previous prime is 683972459456827. The next prime is 683972459456863. The reversal of 683972459456837 is 738654954279386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449194495135681 + 234777964321156 = 21194209^2 + 15322466^2 .

It is a cyclic number.

It is not a de Polignac number, because 683972459456837 - 2⁴⁴ = 666380273412421 is a prime.

It is a super-4 number, since 4×683972459456837⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683972459456827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341986229728418 + 341986229728419.

It is an arithmetic number, because the mean of its divisors is an integer number (341986229728419).

Almost surely, 2^{683972459456837} is an apocalyptic number.

It is an amenable number.

683972459456837 is a deficient number, since it is larger than the sum of its proper divisors (1).

683972459456837 is an equidigital number, since it uses as much as digits as its factorization.

683972459456837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65840947200, while the sum is 86.

The spelling of 683972459456837 in words is "six hundred eighty-three trillion, nine hundred seventy-two billion, four hundred fifty-nine million, four hundred fifty-six thousand, eight hundred thirty-seven".