266430463 has 4 divisors (see below), whose sum is σ = 286925128. Its totient is φ = 245935800.

The previous prime is 266430457. The next prime is 266430469. The reversal of 266430463 is 364034662.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (266430457) and next prime (266430469).

It is a cyclic number.

It is not a de Polignac number, because 266430463 - 2²⁵ = 232876031 is a prime.

It is a super-2 number, since 2×266430463² = 141970383228788738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266430469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10247313 + ... + 10247338.

It is an arithmetic number, because the mean of its divisors is an integer number (71731282).

Almost surely, 2^266430463 is an apocalyptic number.

266430463 is a deficient number, since it is larger than the sum of its proper divisors (20494665).

266430463 is a wasteful number, since it uses less digits than its factorization.

266430463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20494664.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 266430463 is about 16322.6977855990. The cubic root of 266430463 is about 643.4694901543.

The spelling of 266430463 in words is "two hundred sixty-six million, four hundred thirty thousand, four hundred sixty-three".