1049811839 has 16 divisors (see below), whose sum is σ = 1117152000. Its totient is φ = 984377856.

The previous prime is 1049811781. The next prime is 1049811901. The reversal of 1049811839 is 9381189401.

It is a cyclic number.

It is not a de Polignac number, because 1049811839 - 2²⁸ = 781376383 is a prime.

It is a super-2 number, since 2×1049811839² = 2204209794609123842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1049811839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049811739) 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, 608432 + ... + 610154.

It is an arithmetic number, because the mean of its divisors is an integer number (69822000).

Almost surely, 2^1049811839 is an apocalyptic number.

1049811839 is a deficient number, since it is larger than the sum of its proper divisors (67340161).

1049811839 is a wasteful number, since it uses less digits than its factorization.

1049811839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 1049811839 is about 32400.7999746920. The cubic root of 1049811839 is about 1016.3356401228.

The spelling of 1049811839 in words is "one billion, forty-nine million, eight hundred eleven thousand, eight hundred thirty-nine".