1049505899 has 16 divisors (see below), whose sum is σ = 1175274240. Its totient is φ = 930631680.

The previous prime is 1049505871. The next prime is 1049505913. The reversal of 1049505899 is 9985059401.

It is a cyclic number.

It is not a de Polignac number, because 1049505899 - 2²⁸ = 781070443 is a prime.

It is a super-2 number, since 2×1049505899² = 2202925264071596402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049505839) 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, 45707 + ... + 64715.

It is an arithmetic number, because the mean of its divisors is an integer number (73454640).

Almost surely, 2^1049505899 is an apocalyptic number.

1049505899 is a deficient number, since it is larger than the sum of its proper divisors (125768341).

1049505899 is a wasteful number, since it uses less digits than its factorization.

1049505899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19190.

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 1049505899 is about 32396.0784509483. The cubic root of 1049505899 is about 1016.2369024494.

The spelling of 1049505899 in words is "one billion, forty-nine million, five hundred five thousand, eight hundred ninety-nine".