2158783141 has 2 divisors, whose sum is σ = 2158783142. Its totient is φ = 2158783140.

The previous prime is 2158783129. The next prime is 2158783213. The reversal of 2158783141 is 1413878512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1701892516 + 456890625 = 41254^2 + 21375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2158783141 - 2¹⁹ = 2158258853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2158783094 and 2158783103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2158783111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079391570 + 1079391571.

It is an arithmetic number, because the mean of its divisors is an integer number (1079391571).

Almost surely, 2^2158783141 is an apocalyptic number.

It is an amenable number.

2158783141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158783141 is an equidigital number, since it uses as much as digits as its factorization.

2158783141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 40.

The square root of 2158783141 is about 46462.7069917369. The cubic root of 2158783141 is about 1292.4180236759.

The spelling of 2158783141 in words is "two billion, one hundred fifty-eight million, seven hundred eighty-three thousand, one hundred forty-one".