34345516643 has 2 divisors, whose sum is σ = 34345516644. Its totient is φ = 34345516642.

The previous prime is 34345516589. The next prime is 34345516657. The reversal of 34345516643 is 34661554343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34345516643 is a prime.

It is a super-2 number, since 2×34345516643² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34345516594 and 34345516603.

It is not a weakly prime, because it can be changed into another prime (34345516663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172758321 + 17172758322.

It is an arithmetic number, because the mean of its divisors is an integer number (17172758322).

Almost surely, 2^34345516643 is an apocalyptic number.

34345516643 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345516643 is an equidigital number, since it uses as much as digits as its factorization.

34345516643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 44.

The spelling of 34345516643 in words is "thirty-four billion, three hundred forty-five million, five hundred sixteen thousand, six hundred forty-three".