2141776243 has 2 divisors, whose sum is σ = 2141776244. Its totient is φ = 2141776242.

The previous prime is 2141776193. The next prime is 2141776253. The reversal of 2141776243 is 3426771412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2141776243 - 2⁹ = 2141775731 is a prime.

It is a super-4 number, since 4×2141776243⁴ (a number of 38 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2141776253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070888121 + 1070888122.

It is an arithmetic number, because the mean of its divisors is an integer number (1070888122).

Almost surely, 2^2141776243 is an apocalyptic number.

2141776243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141776243 is an equidigital number, since it uses as much as digits as its factorization.

2141776243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 2141776243 is about 46279.3284631486. The cubic root of 2141776243 is about 1289.0151814931.

The spelling of 2141776243 in words is "two billion, one hundred forty-one million, seven hundred seventy-six thousand, two hundred forty-three".