1049116813 has 2 divisors, whose sum is σ = 1049116814. Its totient is φ = 1049116812.

The previous prime is 1049116777. The next prime is 1049116841. The reversal of 1049116813 is 3186119401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1034394244 + 14722569 = 32162^2 + 3837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1049116813 is a prime.

It is a super-2 number, since 2×1049116813² = 2201292174638553938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1049116853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524558406 + 524558407.

It is an arithmetic number, because the mean of its divisors is an integer number (524558407).

Almost surely, 2^1049116813 is an apocalyptic number.

It is an amenable number.

1049116813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049116813 is an equidigital number, since it uses as much as digits as its factorization.

1049116813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1049116813 is about 32390.0727538547. The cubic root of 1049116813 is about 1016.1113028935. Note that the first 3 decimals are identical.

The spelling of 1049116813 in words is "one billion, forty-nine million, one hundred sixteen thousand, eight hundred thirteen".