413686781437 has 2 divisors, whose sum is σ = 413686781438. Its totient is φ = 413686781436.

The previous prime is 413686781399. The next prime is 413686781479. The reversal of 413686781437 is 734187686314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370060522276 + 43626259161 = 608326^2 + 208869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413686781437 is a prime.

It is a super-2 number, since 2×413686781437² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413686781737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206843390718 + 206843390719.

It is an arithmetic number, because the mean of its divisors is an integer number (206843390719).

Almost surely, 2^413686781437 is an apocalyptic number.

It is an amenable number.

413686781437 is a deficient number, since it is larger than the sum of its proper divisors (1).

413686781437 is an equidigital number, since it uses as much as digits as its factorization.

413686781437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 58.

The spelling of 413686781437 in words is "four hundred thirteen billion, six hundred eighty-six million, seven hundred eighty-one thousand, four hundred thirty-seven".