34129919 has 2 divisors, whose sum is σ = 34129920. Its totient is φ = 34129918.

The previous prime is 34129891. The next prime is 34129937. The reversal of 34129919 is 91992143.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34129919 is a prime.

It is a super-2 number, since 2×34129919² = 2329702741893122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34129939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17064959 + 17064960.

It is an arithmetic number, because the mean of its divisors is an integer number (17064960).

Almost surely, 2^34129919 is an apocalyptic number.

34129919 is a deficient number, since it is larger than the sum of its proper divisors (1).

34129919 is an equidigital number, since it uses as much as digits as its factorization.

34129919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 34129919 is about 5842.0817351352. The cubic root of 34129919 is about 324.3732900986.

It can be divided in two parts, 3412 and 9919, that added together give a palindrome (13331).

The spelling of 34129919 in words is "thirty-four million, one hundred twenty-nine thousand, nine hundred nineteen".