2121413402 has 16 divisors (see below), whose sum is σ = 3233779200. Its totient is φ = 1043550480.

The previous prime is 2121413383. The next prime is 2121413447. The reversal of 2121413402 is 2043141212.

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 7 ways as a sum of consecutive naturals, for example, 52424 + ... + 83612.

It is an arithmetic number, because the mean of its divisors is an integer number (202111200).

Almost surely, 2^2121413402 is an apocalyptic number.

2121413402 is a deficient number, since it is larger than the sum of its proper divisors (1112365798).

2121413402 is a wasteful number, since it uses less digits than its factorization.

2121413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31741.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2121413402 is about 46058.8037404360. The cubic root of 2121413402 is about 1284.9170818626.

Adding to 2121413402 its reverse (2043141212), we get a palindrome (4164554614).

The spelling of 2121413402 in words is "two billion, one hundred twenty-one million, four hundred thirteen thousand, four hundred two".