34085843657 has 2 divisors, whose sum is σ = 34085843658. Its totient is φ = 34085843656.

The previous prime is 34085843621. The next prime is 34085843689. The reversal of 34085843657 is 75634858043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28389217081 + 5696626576 = 168491^2 + 75476^2 .

It is a cyclic number.

It is not a de Polignac number, because 34085843657 - 2¹² = 34085839561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34085843599 and 34085843608.

It is not a weakly prime, because it can be changed into another prime (34085843257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17042921828 + 17042921829.

It is an arithmetic number, because the mean of its divisors is an integer number (17042921829).

Almost surely, 2^34085843657 is an apocalyptic number.

It is an amenable number.

34085843657 is a deficient number, since it is larger than the sum of its proper divisors (1).

34085843657 is an equidigital number, since it uses as much as digits as its factorization.

34085843657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 34085843657 in words is "thirty-four billion, eighty-five million, eight hundred forty-three thousand, six hundred fifty-seven".