34405663 has 2 divisors, whose sum is σ = 34405664. Its totient is φ = 34405662.

The previous prime is 34405661. The next prime is 34405669. The reversal of 34405663 is 36650443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34405663 - 2¹ = 34405661 is a prime.

Together with 34405661, 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 (34405661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17202831 + 17202832.

It is an arithmetic number, because the mean of its divisors is an integer number (17202832).

Almost surely, 2^34405663 is an apocalyptic number.

34405663 is a deficient number, since it is larger than the sum of its proper divisors (1).

34405663 is an equidigital number, since it uses as much as digits as its factorization.

34405663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 34405663 is about 5865.6340663222. The cubic root of 34405663 is about 325.2445118548.

The spelling of 34405663 in words is "thirty-four million, four hundred five thousand, six hundred sixty-three".