671375322379 has 2 divisors, whose sum is σ = 671375322380. Its totient is φ = 671375322378.

The previous prime is 671375322367. The next prime is 671375322433. The reversal of 671375322379 is 973223573176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671375322379 - 2⁷ = 671375322251 is a prime.

It is not a weakly prime, because it can be changed into another prime (671375322349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335687661189 + 335687661190.

It is an arithmetic number, because the mean of its divisors is an integer number (335687661190).

Almost surely, 2^671375322379 is an apocalyptic number.

671375322379 is a deficient number, since it is larger than the sum of its proper divisors (1).

671375322379 is an equidigital number, since it uses as much as digits as its factorization.

671375322379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10001880, while the sum is 55.

The spelling of 671375322379 in words is "six hundred seventy-one billion, three hundred seventy-five million, three hundred twenty-two thousand, three hundred seventy-nine".