2113432361 has 2 divisors, whose sum is σ = 2113432362. Its totient is φ = 2113432360.

The previous prime is 2113432357. The next prime is 2113432369. The reversal of 2113432361 is 1632343112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1887381136 + 226051225 = 43444^2 + 15035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113432361 - 2² = 2113432357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113432361.

It is not a weakly prime, because it can be changed into another prime (2113432369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056716180 + 1056716181.

It is an arithmetic number, because the mean of its divisors is an integer number (1056716181).

Almost surely, 2^2113432361 is an apocalyptic number.

It is an amenable number.

2113432361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113432361 is an equidigital number, since it uses as much as digits as its factorization.

2113432361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 2113432361 is about 45972.0824087837. The cubic root of 2113432361 is about 1283.3037136171.

Adding to 2113432361 its reverse (1632343112), we get a palindrome (3745775473).

The spelling of 2113432361 in words is "two billion, one hundred thirteen million, four hundred thirty-two thousand, three hundred sixty-one".