681003297419 has 2 divisors, whose sum is σ = 681003297420. Its totient is φ = 681003297418.

The previous prime is 681003297413. The next prime is 681003297509. The reversal of 681003297419 is 914792300186.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-681003297419 is a prime.

It is a super-2 number, since 2×681003297419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (681003297413) 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, 340501648709 + 340501648710.

It is an arithmetic number, because the mean of its divisors is an integer number (340501648710).

Almost surely, 2^681003297419 is an apocalyptic number.

681003297419 is a deficient number, since it is larger than the sum of its proper divisors (1).

681003297419 is an equidigital number, since it uses as much as digits as its factorization.

681003297419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 681003297419 in words is "six hundred eighty-one billion, three million, two hundred ninety-seven thousand, four hundred nineteen".