34905019 has 2 divisors, whose sum is σ = 34905020. Its totient is φ = 34905018.

The previous prime is 34905011. The next prime is 34905041. The reversal of 34905019 is 91050943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34905019 - 2³ = 34905011 is a prime.

It is a super-2 number, since 2×34905019² = 2436720702780722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34905011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17452509 + 17452510.

It is an arithmetic number, because the mean of its divisors is an integer number (17452510).

Almost surely, 2^34905019 is an apocalyptic number.

34905019 is a deficient number, since it is larger than the sum of its proper divisors (1).

34905019 is an equidigital number, since it uses as much as digits as its factorization.

34905019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 34905019 is about 5908.0469700232. The cubic root of 34905019 is about 326.8104685263.

The spelling of 34905019 in words is "thirty-four million, nine hundred five thousand, nineteen".