1049889931 has 2 divisors, whose sum is σ = 1049889932. Its totient is φ = 1049889930.

The previous prime is 1049889917. The next prime is 1049889943. The reversal of 1049889931 is 1399889401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1049889931 - 2⁵ = 1049889899 is a prime.

It is a super-2 number, since 2×1049889931² = 2204537734430369522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049889131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524944965 + 524944966.

It is an arithmetic number, because the mean of its divisors is an integer number (524944966).

Almost surely, 2^1049889931 is an apocalyptic number.

1049889931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049889931 is an equidigital number, since it uses as much as digits as its factorization.

1049889931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 1049889931 is about 32402.0050459844. The cubic root of 1049889931 is about 1016.3608401037.

The spelling of 1049889931 in words is "one billion, forty-nine million, eight hundred eighty-nine thousand, nine hundred thirty-one".