676193319391 has 2 divisors, whose sum is σ = 676193319392. Its totient is φ = 676193319390.

The previous prime is 676193319383. The next prime is 676193319479. The reversal of 676193319391 is 193913391676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676193319391 - 2³ = 676193319383 is a prime.

It is a super-2 number, since 2×676193319391² (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 (676193319371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338096659695 + 338096659696.

It is an arithmetic number, because the mean of its divisors is an integer number (338096659696).

Almost surely, 2^676193319391 is an apocalyptic number.

676193319391 is a deficient number, since it is larger than the sum of its proper divisors (1).

676193319391 is an equidigital number, since it uses as much as digits as its factorization.

676193319391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4960116, while the sum is 58.

The spelling of 676193319391 in words is "six hundred seventy-six billion, one hundred ninety-three million, three hundred nineteen thousand, three hundred ninety-one".