34890989807 has 2 divisors, whose sum is σ = 34890989808. Its totient is φ = 34890989806.

The previous prime is 34890989803. The next prime is 34890989851. The reversal of 34890989807 is 70898909843.

34890989807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34890989807 - 2² = 34890989803 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34890989801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17445494903 + 17445494904.

It is an arithmetic number, because the mean of its divisors is an integer number (17445494904).

Almost surely, 2^34890989807 is an apocalyptic number.

34890989807 is a deficient number, since it is larger than the sum of its proper divisors (1).

34890989807 is an equidigital number, since it uses as much as digits as its factorization.

34890989807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 34890989807 in words is "thirty-four billion, eight hundred ninety million, nine hundred eighty-nine thousand, eight hundred seven".