2139037843 has 2 divisors, whose sum is σ = 2139037844. Its totient is φ = 2139037842.

The previous prime is 2139037819. The next prime is 2139037867. The reversal of 2139037843 is 3487309312.

It is a balanced prime because it is at equal distance from previous prime (2139037819) and next prime (2139037867).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139037843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2139037796 and 2139037805.

It is a weakly prime.

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, 1069518921 + 1069518922.

It is an arithmetic number, because the mean of its divisors is an integer number (1069518922).

Almost surely, 2^2139037843 is an apocalyptic number.

2139037843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139037843 is an equidigital number, since it uses as much as digits as its factorization.

2139037843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 2139037843 is about 46249.7334370697. The cubic root of 2139037843 is about 1288.4655839911.

The spelling of 2139037843 in words is "two billion, one hundred thirty-nine million, thirty-seven thousand, eight hundred forty-three".