2136944219 has 2 divisors, whose sum is σ = 2136944220. Its totient is φ = 2136944218.

The previous prime is 2136944197. The next prime is 2136944239. The reversal of 2136944219 is 9124496312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136944219 is a prime.

It is a super-2 number, since 2×2136944219² = 9133061190235039922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2136944239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068472109 + 1068472110.

It is an arithmetic number, because the mean of its divisors is an integer number (1068472110).

Almost surely, 2^2136944219 is an apocalyptic number.

2136944219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136944219 is an equidigital number, since it uses as much as digits as its factorization.

2136944219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 2136944219 is about 46227.0939925927. The cubic root of 2136944219 is about 1288.0450766971.

The spelling of 2136944219 in words is "two billion, one hundred thirty-six million, nine hundred forty-four thousand, two hundred nineteen".