676311347381 has 2 divisors, whose sum is σ = 676311347382. Its totient is φ = 676311347380.

The previous prime is 676311347363. The next prime is 676311347417. The reversal of 676311347381 is 183743113676.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452974765156 + 223336582225 = 673034^2 + 472585^2 .

It is a cyclic number.

It is not a de Polignac number, because 676311347381 - 2⁶ = 676311347317 is a prime.

It is a super-2 number, since 2×676311347381² (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 (676311347081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338155673690 + 338155673691.

It is an arithmetic number, because the mean of its divisors is an integer number (338155673691).

Almost surely, 2^676311347381 is an apocalyptic number.

It is an amenable number.

676311347381 is a deficient number, since it is larger than the sum of its proper divisors (1).

676311347381 is an equidigital number, since it uses as much as digits as its factorization.

676311347381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The spelling of 676311347381 in words is "six hundred seventy-six billion, three hundred eleven million, three hundred forty-seven thousand, three hundred eighty-one".