2143290841 has 2 divisors, whose sum is σ = 2143290842. Its totient is φ = 2143290840.

The previous prime is 2143290833. The next prime is 2143290913. The reversal of 2143290841 is 1480923412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1749665241 + 393625600 = 41829^2 + 19840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143290841 - 2³ = 2143290833 is a prime.

It is a super-2 number, since 2×2143290841² = 9187391258228974562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143290797 and 2143290806.

It is not a weakly prime, because it can be changed into another prime (2143290341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071645420 + 1071645421.

It is an arithmetic number, because the mean of its divisors is an integer number (1071645421).

Almost surely, 2^2143290841 is an apocalyptic number.

It is an amenable number.

2143290841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143290841 is an equidigital number, since it uses as much as digits as its factorization.

2143290841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2143290841 is about 46295.6892269680. The cubic root of 2143290841 is about 1289.3189604696.

The spelling of 2143290841 in words is "two billion, one hundred forty-three million, two hundred ninety thousand, eight hundred forty-one".