2143324402 has 16 divisors (see below), whose sum is σ = 3521487960. Its totient is φ = 973842688.

The previous prime is 2143324397. The next prime is 2143324411. The reversal of 2143324402 is 2044233412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1425138001 + 718186401 = 37751^2 + 26799^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085893 + ... + 1087864.

Almost surely, 2^2143324402 is an apocalyptic number.

2143324402 is a deficient number, since it is larger than the sum of its proper divisors (1378163558).

2143324402 is a wasteful number, since it uses less digits than its factorization.

2143324402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173805.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2143324402 is about 46296.0516891020. The cubic root of 2143324402 is about 1289.3256900910.

Adding to 2143324402 its reverse (2044233412), we get a palindrome (4187557814).

The spelling of 2143324402 in words is "two billion, one hundred forty-three million, three hundred twenty-four thousand, four hundred two".