19031049 has 12 divisors (see below), whose sum is σ = 27635712. Its totient is φ = 12619800.

The previous prime is 19031039. The next prime is 19031057. The reversal of 19031049 is 94013091.

It is not a de Polignac number, because 19031049 - 2⁵ = 19031017 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19031009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3817 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (2302976).

Almost surely, 2^19031049 is an apocalyptic number.

It is an amenable number.

19031049 is a deficient number, since it is larger than the sum of its proper divisors (8604663).

19031049 is a wasteful number, since it uses less digits than its factorization.

19031049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268 (or 11265 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 19031049 is about 4362.4590542491. The cubic root of 19031049 is about 266.9854387548.

The spelling of 19031049 in words is "nineteen million, thirty-one thousand, forty-nine".