34656638069 has 2 divisors, whose sum is σ = 34656638070. Its totient is φ = 34656638068.

The previous prime is 34656638021. The next prime is 34656638083. The reversal of 34656638069 is 96083665643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24543922225 + 10112715844 = 156665^2 + 100562^2 .

It is a cyclic number.

It is not a de Polignac number, because 34656638069 - 2²⁸ = 34388202613 is a prime.

It is a super-2 number, since 2×34656638069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34656638369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17328319034 + 17328319035.

It is an arithmetic number, because the mean of its divisors is an integer number (17328319035).

Almost surely, 2^34656638069 is an apocalyptic number.

It is an amenable number.

34656638069 is a deficient number, since it is larger than the sum of its proper divisors (1).

34656638069 is an equidigital number, since it uses as much as digits as its factorization.

34656638069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 34656638069 in words is "thirty-four billion, six hundred fifty-six million, six hundred thirty-eight thousand, sixty-nine".