2183540379 has 16 divisors (see below), whose sum is σ = 2933277984. Its totient is φ = 1444780800.

The previous prime is 2183540377. The next prime is 2183540383. The reversal of 2183540379 is 9730453812.

It is not a de Polignac number, because 2183540379 - 2¹ = 2183540377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2183540379.

It is not an unprimeable number, because it can be changed into a prime (2183540377) 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, 290047 + ... + 297479.

It is an arithmetic number, because the mean of its divisors is an integer number (183329874).

Almost surely, 2^2183540379 is an apocalyptic number.

2183540379 is a deficient number, since it is larger than the sum of its proper divisors (749737605).

2183540379 is a wasteful number, since it uses less digits than its factorization.

2183540379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2183540379 is about 46728.3680327058. The cubic root of 2183540379 is about 1297.3398025421.

The spelling of 2183540379 in words is "two billion, one hundred eighty-three million, five hundred forty thousand, three hundred seventy-nine".