699966263 has 2 divisors, whose sum is σ = 699966264. Its totient is φ = 699966262.

The previous prime is 699966247. The next prime is 699966269. The reversal of 699966263 is 362669996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 699966263 - 2⁴ = 699966247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 699966199 and 699966208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699966269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349983131 + 349983132.

It is an arithmetic number, because the mean of its divisors is an integer number (349983132).

Almost surely, 2^699966263 is an apocalyptic number.

699966263 is a deficient number, since it is larger than the sum of its proper divisors (1).

699966263 is an equidigital number, since it uses as much as digits as its factorization.

699966263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5668704, while the sum is 56.

The square root of 699966263 is about 26456.8755335924. The cubic root of 699966263 is about 887.8897371242.

The spelling of 699966263 in words is "six hundred ninety-nine million, nine hundred sixty-six thousand, two hundred sixty-three".