1049431329 has 8 divisors (see below), whose sum is σ = 1554713120. Its totient is φ = 699620868.

The previous prime is 1049431319. The next prime is 1049431337. The reversal of 1049431329 is 9231349401.

It is not a de Polignac number, because 1049431329 - 2¹¹ = 1049429281 is a prime.

It is a super-2 number, since 2×1049431329² = 2202612228573412482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1049431293 and 1049431302.

It is not an unprimeable number, because it can be changed into a prime (1049431319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19433887 + ... + 19433940.

It is an arithmetic number, because the mean of its divisors is an integer number (194339140).

Almost surely, 2^1049431329 is an apocalyptic number.

It is an amenable number.

1049431329 is a deficient number, since it is larger than the sum of its proper divisors (505281791).

1049431329 is an equidigital number, since it uses as much as digits as its factorization.

1049431329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38867836 (or 38867830 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1049431329 is about 32394.9275195979. The cubic root of 1049431329 is about 1016.2128331610.

The spelling of 1049431329 in words is "one billion, forty-nine million, four hundred thirty-one thousand, three hundred twenty-nine".