34345343993 has 2 divisors, whose sum is σ = 34345343994. Its totient is φ = 34345343992.

The previous prime is 34345343987. The next prime is 34345344031. The reversal of 34345343993 is 39934354343.

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., 20314230784 + 14031113209 = 142528^2 + 118453^2 .

It is a cyclic number.

It is not a de Polignac number, because 34345343993 - 2⁸ = 34345343737 is a prime.

It is not a weakly prime, because it can be changed into another prime (34345343693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172671996 + 17172671997.

It is an arithmetic number, because the mean of its divisors is an integer number (17172671997).

Almost surely, 2^34345343993 is an apocalyptic number.

It is an amenable number.

34345343993 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345343993 is an equidigital number, since it uses as much as digits as its factorization.

34345343993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 50.

The spelling of 34345343993 in words is "thirty-four billion, three hundred forty-five million, three hundred forty-three thousand, nine hundred ninety-three".