999992263 has 2 divisors, whose sum is σ = 999992264. Its totient is φ = 999992262.

The previous prime is 999992221. The next prime is 999992267. The reversal of 999992263 is 362299999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999992263 - 2²¹ = 997895111 is a prime.

It is a super-2 number, since 2×999992263² = 1999969052119722338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 999992198 and 999992207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999992267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499996131 + 499996132.

It is an arithmetic number, because the mean of its divisors is an integer number (499996132).

Almost surely, 2^999992263 is an apocalyptic number.

999992263 is a deficient number, since it is larger than the sum of its proper divisors (1).

999992263 is an equidigital number, since it uses as much as digits as its factorization.

999992263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4251528, while the sum is 58.

The square root of 999992263 is about 31622.6542687359. The cubic root of 999992263 is about 999.9974209933.

The spelling of 999992263 in words is "nine hundred ninety-nine million, nine hundred ninety-two thousand, two hundred sixty-three".