19034749 has 2 divisors, whose sum is σ = 19034750. Its totient is φ = 19034748.

The previous prime is 19034723. The next prime is 19034773. The reversal of 19034749 is 94743091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 1243225 = 4218^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 19034749 - 2⁷ = 19034621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19034149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9517374 + 9517375.

It is an arithmetic number, because the mean of its divisors is an integer number (9517375).

Almost surely, 2^19034749 is an apocalyptic number.

It is an amenable number.

19034749 is a deficient number, since it is larger than the sum of its proper divisors (1).

19034749 is an equidigital number, since it uses as much as digits as its factorization.

19034749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 19034749 is about 4362.8831063873. The cubic root of 19034749 is about 267.0027399925.

The spelling of 19034749 in words is "nineteen million, thirty-four thousand, seven hundred forty-nine".