34020391793 has 2 divisors, whose sum is σ = 34020391794. Its totient is φ = 34020391792.

The previous prime is 34020391751. The next prime is 34020391799. The reversal of 34020391793 is 39719302043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21402812209 + 12617579584 = 146297^2 + 112328^2 .

It is a cyclic number.

It is not a de Polignac number, because 34020391793 - 2⁶ = 34020391729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34020391793.

It is not a weakly prime, because it can be changed into another prime (34020391799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17010195896 + 17010195897.

It is an arithmetic number, because the mean of its divisors is an integer number (17010195897).

Almost surely, 2^34020391793 is an apocalyptic number.

It is an amenable number.

34020391793 is a deficient number, since it is larger than the sum of its proper divisors (1).

34020391793 is an equidigital number, since it uses as much as digits as its factorization.

34020391793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 34020391793 in words is "thirty-four billion, twenty million, three hundred ninety-one thousand, seven hundred ninety-three".