34043540357 has 2 divisors, whose sum is σ = 34043540358. Its totient is φ = 34043540356.

The previous prime is 34043540353. The next prime is 34043540359. The reversal of 34043540357 is 75304534043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34001147236 + 42393121 = 184394^2 + 6511^2 .

It is a cyclic number.

It is not a de Polignac number, because 34043540357 - 2² = 34043540353 is a prime.

Together with 34043540359, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34043540357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34043540353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17021770178 + 17021770179.

It is an arithmetic number, because the mean of its divisors is an integer number (17021770179).

Almost surely, 2^34043540357 is an apocalyptic number.

It is an amenable number.

34043540357 is a deficient number, since it is larger than the sum of its proper divisors (1).

34043540357 is an equidigital number, since it uses as much as digits as its factorization.

34043540357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 38.

The spelling of 34043540357 in words is "thirty-four billion, forty-three million, five hundred forty thousand, three hundred fifty-seven".