344211087613 has 2 divisors, whose sum is σ = 344211087614. Its totient is φ = 344211087612.

The previous prime is 344211087553. The next prime is 344211087631. The reversal of 344211087613 is 316780112443.

Together with next prime (344211087631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336071800089 + 8139287524 = 579717^2 + 90218^2 .

It is a cyclic number.

It is not a de Polignac number, because 344211087613 - 2³⁷ = 206772134141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344211087673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172105543806 + 172105543807.

It is an arithmetic number, because the mean of its divisors is an integer number (172105543807).

Almost surely, 2^344211087613 is an apocalyptic number.

It is an amenable number.

344211087613 is a deficient number, since it is larger than the sum of its proper divisors (1).

344211087613 is an equidigital number, since it uses as much as digits as its factorization.

344211087613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 344211087613 in words is "three hundred forty-four billion, two hundred eleven million, eighty-seven thousand, six hundred thirteen".