19049071 has 2 divisors, whose sum is σ = 19049072. Its totient is φ = 19049070.

The previous prime is 19049059. The next prime is 19049089. The reversal of 19049071 is 17094091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19049071 - 2⁷ = 19048943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19049011) 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, 9524535 + 9524536.

It is an arithmetic number, because the mean of its divisors is an integer number (9524536).

Almost surely, 2^19049071 is an apocalyptic number.

19049071 is a deficient number, since it is larger than the sum of its proper divisors (1).

19049071 is an equidigital number, since it uses as much as digits as its factorization.

19049071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 19049071 is about 4364.5241435923. The cubic root of 19049071 is about 267.0696886831.

The spelling of 19049071 in words is "nineteen million, forty-nine thousand, seventy-one".