2116447273 has 2 divisors, whose sum is σ = 2116447274. Its totient is φ = 2116447272.

The previous prime is 2116447241. The next prime is 2116447301. The reversal of 2116447273 is 3727446112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2105708544 + 10738729 = 45888^2 + 3277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116447273 - 2⁵ = 2116447241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116447673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058223636 + 1058223637.

It is an arithmetic number, because the mean of its divisors is an integer number (1058223637).

Almost surely, 2^2116447273 is an apocalyptic number.

It is an amenable number.

2116447273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116447273 is an equidigital number, since it uses as much as digits as its factorization.

2116447273 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 2116447273 is about 46004.8614061601. The cubic root of 2116447273 is about 1283.9136549776.

The spelling of 2116447273 in words is "two billion, one hundred sixteen million, four hundred forty-seven thousand, two hundred seventy-three".