263020099 has 2 divisors, whose sum is σ = 263020100. Its totient is φ = 263020098.

The previous prime is 263020067. The next prime is 263020103. The reversal of 263020099 is 990020362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263020099 - 2⁵ = 263020067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263020099.

It is not a weakly prime, because it can be changed into another prime (263020049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131510049 + 131510050.

It is an arithmetic number, because the mean of its divisors is an integer number (131510050).

Almost surely, 2^263020099 is an apocalyptic number.

263020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

263020099 is an equidigital number, since it uses as much as digits as its factorization.

263020099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 263020099 is about 16217.8944071048. The cubic root of 263020099 is about 640.7121784005.

The spelling of 263020099 in words is "two hundred sixty-three million, twenty thousand, ninety-nine".