1049493189 has 16 divisors (see below), whose sum is σ = 1447870464. Its totient is φ = 675495600.

The previous prime is 1049493173. The next prime is 1049493223. The reversal of 1049493189 is 9813949401.

It is not a de Polignac number, because 1049493189 - 2⁴ = 1049493173 is a prime.

It is a super-2 number, since 2×1049493189² = 2202871907514779442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049493169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26992 + ... + 53174.

It is an arithmetic number, because the mean of its divisors is an integer number (90491904).

Almost surely, 2^1049493189 is an apocalyptic number.

It is an amenable number.

1049493189 is a deficient number, since it is larger than the sum of its proper divisors (398377275).

1049493189 is a wasteful number, since it uses less digits than its factorization.

1049493189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26648.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 1049493189 is about 32395.8822846361. The cubic root of 1049493189 is about 1016.2328000672.

The spelling of 1049493189 in words is "one billion, forty-nine million, four hundred ninety-three thousand, one hundred eighty-nine".