2818263421 has 8 divisors (see below), whose sum is σ = 2866615488. Its totient is φ = 2770152000.

The previous prime is 2818263419. The next prime is 2818263449. The reversal of 2818263421 is 1243628182.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2818263421 - 2¹ = 2818263419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818263401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36460 + ... + 83461.

It is an arithmetic number, because the mean of its divisors is an integer number (358326936).

Almost surely, 2^2818263421 is an apocalyptic number.

It is an amenable number.

2818263421 is a deficient number, since it is larger than the sum of its proper divisors (48352067).

2818263421 is a wasteful number, since it uses less digits than its factorization.

2818263421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120323.

The product of its digits is 36864, while the sum is 37.

The square root of 2818263421 is about 53087.3188341623. The cubic root of 2818263421 is about 1412.5175786676.

The spelling of 2818263421 in words is "two billion, eight hundred eighteen million, two hundred sixty-three thousand, four hundred twenty-one".