34345503509 has 2 divisors, whose sum is σ = 34345503510. Its totient is φ = 34345503508.

The previous prime is 34345503473. The next prime is 34345503523. The reversal of 34345503509 is 90530554343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17418192484 + 16927311025 = 131978^2 + 130105^2 .

It is a cyclic number.

It is not a de Polignac number, because 34345503509 - 2¹² = 34345499413 is a prime.

It is a super-2 number, since 2×34345503509² (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 (34345503559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172751754 + 17172751755.

It is an arithmetic number, because the mean of its divisors is an integer number (17172751755).

Almost surely, 2^34345503509 is an apocalyptic number.

It is an amenable number.

34345503509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345503509 is an equidigital number, since it uses as much as digits as its factorization.

34345503509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 34345503509 in words is "thirty-four billion, three hundred forty-five million, five hundred three thousand, five hundred nine".