2421962818 has 16 divisors (see below), whose sum is σ = 3963968640. Its totient is φ = 1100682000.

The previous prime is 2421962791. The next prime is 2421962819. The reversal of 2421962818 is 8182691242.

It is a super-2 number, since 2×2421962818² = 11731807783549002248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421962819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212263 + ... + 223381.

It is an arithmetic number, because the mean of its divisors is an integer number (247748040).

Almost surely, 2^2421962818 is an apocalyptic number.

2421962818 is a deficient number, since it is larger than the sum of its proper divisors (1542005822).

2421962818 is a wasteful number, since it uses less digits than its factorization.

2421962818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033.

The product of its digits is 110592, while the sum is 43.

The square root of 2421962818 is about 49213.4414362580. The cubic root of 2421962818 is about 1342.9375701328.

The spelling of 2421962818 in words is "two billion, four hundred twenty-one million, nine hundred sixty-two thousand, eight hundred eighteen".