1049431959 has 24 divisors (see below), whose sum is σ = 1625747760. Its totient is φ = 650287872.

The previous prime is 1049431939. The next prime is 1049431963. The reversal of 1049431959 is 9591349401.

It is not a de Polignac number, because 1049431959 - 2⁹ = 1049431447 is a prime.

It is a super-2 number, since 2×1049431959² = 2202614873141155362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049431909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48834 + ... + 66959.

It is an arithmetic number, because the mean of its divisors is an integer number (67739490).

Almost surely, 2^1049431959 is an apocalyptic number.

1049431959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1049431959 is a deficient number, since it is larger than the sum of its proper divisors (576315801).

1049431959 is a wasteful number, since it uses less digits than its factorization.

1049431959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115871 (or 115868 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 1049431959 is about 32394.9372433410. The cubic root of 1049431959 is about 1016.2130365136.

The spelling of 1049431959 in words is "one billion, forty-nine million, four hundred thirty-one thousand, nine hundred fifty-nine".