2421531336 has 64 divisors (see below), whose sum is σ = 7035955200. Its totient is φ = 680136768.

The previous prime is 2421531239. The next prime is 2421531337. The reversal of 2421531336 is 6331351242.

It is a super-2 number, since 2×2421531336² = 11727628022459889792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421531337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112240 + ... + 132063.

It is an arithmetic number, because the mean of its divisors is an integer number (109936800).

Almost surely, 2^2421531336 is an apocalyptic number.

It is an amenable number.

2421531336 is an abundant number, since it is smaller than the sum of its proper divisors (4614423864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421531336 is a wasteful number, since it uses less digits than its factorization.

2421531336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244378 (or 244374 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 2421531336 is about 49209.0574589679. The cubic root of 2421531336 is about 1342.8578155637.

Adding to 2421531336 its reverse (6331351242), we get a palindrome (8752882578).

The spelling of 2421531336 in words is "two billion, four hundred twenty-one million, five hundred thirty-one thousand, three hundred thirty-six".