673862315437 has 2 divisors, whose sum is σ = 673862315438. Its totient is φ = 673862315436.

The previous prime is 673862315429. The next prime is 673862315447. The reversal of 673862315437 is 734513268376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466285488201 + 207576827236 = 682851^2 + 455606^2 .

It is a cyclic number.

It is not a de Polignac number, because 673862315437 - 2³ = 673862315429 is a prime.

It is a super-2 number, since 2×673862315437² (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 (673862315447) by changing a digit.

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 as a sum of consecutive naturals, namely, 336931157718 + 336931157719.

It is an arithmetic number, because the mean of its divisors is an integer number (336931157719).

Almost surely, 2^673862315437 is an apocalyptic number.

It is an amenable number.

673862315437 is a deficient number, since it is larger than the sum of its proper divisors (1).

673862315437 is an equidigital number, since it uses as much as digits as its factorization.

673862315437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 55.

The spelling of 673862315437 in words is "six hundred seventy-three billion, eight hundred sixty-two million, three hundred fifteen thousand, four hundred thirty-seven".