34843940909 has 2 divisors, whose sum is σ = 34843940910. Its totient is φ = 34843940908.

The previous prime is 34843940903. The next prime is 34843940917. The reversal of 34843940909 is 90904934843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21167340100 + 13676600809 = 145490^2 + 116947^2 .

It is a cyclic number.

It is not a de Polignac number, because 34843940909 - 2⁴ = 34843940893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34843940903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17421970454 + 17421970455.

It is an arithmetic number, because the mean of its divisors is an integer number (17421970455).

Almost surely, 2^34843940909 is an apocalyptic number.

It is an amenable number.

34843940909 is a deficient number, since it is larger than the sum of its proper divisors (1).

34843940909 is an equidigital number, since it uses as much as digits as its factorization.

34843940909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 34843940909 in words is "thirty-four billion, eight hundred forty-three million, nine hundred forty thousand, nine hundred nine".