2149111807 has 2 divisors, whose sum is σ = 2149111808. Its totient is φ = 2149111806.

The previous prime is 2149111777. The next prime is 2149111817. The reversal of 2149111807 is 7081119412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2149111807 - 2¹⁵ = 2149079039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2149111817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074555903 + 1074555904.

It is an arithmetic number, because the mean of its divisors is an integer number (1074555904).

Almost surely, 2^2149111807 is an apocalyptic number.

2149111807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149111807 is an equidigital number, since it uses as much as digits as its factorization.

2149111807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 2149111807 is about 46358.5138566801. The cubic root of 2149111807 is about 1290.4851263127.

The spelling of 2149111807 in words is "two billion, one hundred forty-nine million, one hundred eleven thousand, eight hundred seven".