34885785439 has 2 divisors, whose sum is σ = 34885785440. Its totient is φ = 34885785438.

The previous prime is 34885785437. The next prime is 34885785499. The reversal of 34885785439 is 93458758843.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34885785439 - 2¹ = 34885785437 is a prime.

Together with 34885785437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34885785437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17442892719 + 17442892720.

It is an arithmetic number, because the mean of its divisors is an integer number (17442892720).

Almost surely, 2^34885785439 is an apocalyptic number.

34885785439 is a deficient number, since it is larger than the sum of its proper divisors (1).

34885785439 is an equidigital number, since it uses as much as digits as its factorization.

34885785439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116121600, while the sum is 64.

The spelling of 34885785439 in words is "thirty-four billion, eight hundred eighty-five million, seven hundred eighty-five thousand, four hundred thirty-nine".