2110851947 has 2 divisors, whose sum is σ = 2110851948. Its totient is φ = 2110851946.

The previous prime is 2110851943. The next prime is 2110851973. The reversal of 2110851947 is 7491580112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2110851947 - 2² = 2110851943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2110851947.

It is not a weakly prime, because it can be changed into another prime (2110851943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055425973 + 1055425974.

It is an arithmetic number, because the mean of its divisors is an integer number (1055425974).

Almost surely, 2^2110851947 is an apocalyptic number.

2110851947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110851947 is an equidigital number, since it uses as much as digits as its factorization.

2110851947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 2110851947 is about 45944.0088259612. The cubic root of 2110851947 is about 1282.7812138892.

The spelling of 2110851947 in words is "two billion, one hundred ten million, eight hundred fifty-one thousand, nine hundred forty-seven".