34890019 has 2 divisors, whose sum is σ = 34890020. Its totient is φ = 34890018.

The previous prime is 34890017. The next prime is 34890029. The reversal of 34890019 is 91009843.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34890019 - 2¹ = 34890017 is a prime.

It is a super-2 number, since 2×34890019² = 2434626851640722, which contains 22 as substring.

Together with 34890017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34890013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17445009 + 17445010.

It is an arithmetic number, because the mean of its divisors is an integer number (17445010).

Almost surely, 2^34890019 is an apocalyptic number.

34890019 is a deficient number, since it is larger than the sum of its proper divisors (1).

34890019 is an equidigital number, since it uses as much as digits as its factorization.

34890019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 34890019 is about 5906.7773785712. Note that the first 3 decimals coincide. The cubic root of 34890019 is about 326.7636475671.

The spelling of 34890019 in words is "thirty-four million, eight hundred ninety thousand, nineteen".