421266299 has 4 divisors (see below), whose sum is σ = 422868336. Its totient is φ = 419664264.

The previous prime is 421266289. The next prime is 421266301. The reversal of 421266299 is 992662124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 421266299 - 2²⁴ = 404489083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421266269) 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, 800624 + ... + 801149.

It is an arithmetic number, because the mean of its divisors is an integer number (105717084).

Almost surely, 2^421266299 is an apocalyptic number.

421266299 is a deficient number, since it is larger than the sum of its proper divisors (1602037).

421266299 is a wasteful number, since it uses less digits than its factorization.

421266299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602036.

The product of its digits is 93312, while the sum is 41.

The square root of 421266299 is about 20524.7728123846. The cubic root of 421266299 is about 749.6391146732.

The spelling of 421266299 in words is "four hundred twenty-one million, two hundred sixty-six thousand, two hundred ninety-nine".