2421012405 has 32 divisors (see below), whose sum is σ = 4431340800. Its totient is φ = 1105661952.

The previous prime is 2421012397. The next prime is 2421012467. The reversal of 2421012405 is 5042101242.

It is not a de Polignac number, because 2421012405 - 2³ = 2421012397 is a prime.

It is a super-2 number, since 2×2421012405² = 11722602130327768050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101461 + ... + 123029.

It is an arithmetic number, because the mean of its divisors is an integer number (138479400).

Almost surely, 2^2421012405 is an apocalyptic number.

It is an amenable number.

2421012405 is a deficient number, since it is larger than the sum of its proper divisors (2010328395).

2421012405 is a wasteful number, since it uses less digits than its factorization.

2421012405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22653.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2421012405 is about 49203.7844581085. The cubic root of 2421012405 is about 1342.7618844859.

Adding to 2421012405 its reverse (5042101242), we get a palindrome (7463113647).

The spelling of 2421012405 in words is "two billion, four hundred twenty-one million, twelve thousand, four hundred five".