34512797309 has 2 divisors, whose sum is σ = 34512797310. Its totient is φ = 34512797308.

The previous prime is 34512797273. The next prime is 34512797357. The reversal of 34512797309 is 90379721543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31401612025 + 3111185284 = 177205^2 + 55778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34512797309 is a prime.

It is a super-2 number, since 2×34512797309² (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 (34512797009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17256398654 + 17256398655.

It is an arithmetic number, because the mean of its divisors is an integer number (17256398655).

Almost surely, 2^34512797309 is an apocalyptic number.

It is an amenable number.

34512797309 is a deficient number, since it is larger than the sum of its proper divisors (1).

34512797309 is an equidigital number, since it uses as much as digits as its factorization.

34512797309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 34512797309 in words is "thirty-four billion, five hundred twelve million, seven hundred ninety-seven thousand, three hundred nine".