19047159 has 6 divisors (see below), whose sum is σ = 27512576. Its totient is φ = 12698100.

The previous prime is 19047143. The next prime is 19047163. The reversal of 19047159 is 95174091.

It is not a de Polignac number, because 19047159 - 2⁴ = 19047143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19047109) 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 in 5 ways as a sum of consecutive naturals, for example, 1058167 + ... + 1058184.

Almost surely, 2^19047159 is an apocalyptic number.

19047159 is a deficient number, since it is larger than the sum of its proper divisors (8465417).

19047159 is a wasteful number, since it uses less digits than its factorization.

19047159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116357 (or 2116354 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 19047159 is about 4364.3050993257. The cubic root of 19047159 is about 267.0607529135.

The spelling of 19047159 in words is "nineteen million, forty-seven thousand, one hundred fifty-nine".