2183201378 has 16 divisors (see below), whose sum is σ = 3284903160. Its totient is φ = 1088240256.

The previous prime is 2183201359. The next prime is 2183201389. The reversal of 2183201378 is 8731023812.

It can be written as a sum of positive squares in 4 ways, for example, as 2055443569 + 127757809 = 45337^2 + 11303^2 .

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, 1288700 + ... + 1290392.

Almost surely, 2^2183201378 is an apocalyptic number.

2183201378 is a deficient number, since it is larger than the sum of its proper divisors (1101701782).

2183201378 is a wasteful number, since it uses less digits than its factorization.

2183201378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2183201378 is about 46724.7405343251. The cubic root of 2183201378 is about 1297.2726604737.

The spelling of 2183201378 in words is "two billion, one hundred eighty-three million, two hundred one thousand, three hundred seventy-eight".