1099457263 has 2 divisors, whose sum is σ = 1099457264. Its totient is φ = 1099457262.

The previous prime is 1099457231. The next prime is 1099457273. The reversal of 1099457263 is 3627549901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1099457263 - 2⁵ = 1099457231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099457273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549728631 + 549728632.

It is an arithmetic number, because the mean of its divisors is an integer number (549728632).

Almost surely, 2^1099457263 is an apocalyptic number.

1099457263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099457263 is an equidigital number, since it uses as much as digits as its factorization.

1099457263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 1099457263 is about 33158.0648259213. The cubic root of 1099457263 is about 1032.1103127954.

The spelling of 1099457263 in words is "one billion, ninety-nine million, four hundred fifty-seven thousand, two hundred sixty-three".