2119372985 has 4 divisors (see below), whose sum is σ = 2543247588. Its totient is φ = 1695498384.

The previous prime is 2119372963. The next prime is 2119372999. The reversal of 2119372985 is 5892739112.

It is a happy number.

2119372985 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1514999929 + 604373056 = 38923^2 + 24584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119372985 - 2⁶ = 2119372921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211937294 + ... + 211937303.

It is an arithmetic number, because the mean of its divisors is an integer number (635811897).

Almost surely, 2^2119372985 is an apocalyptic number.

It is an amenable number.

2119372985 is a deficient number, since it is larger than the sum of its proper divisors (423874603).

2119372985 is an equidigital number, since it uses as much as digits as its factorization.

2119372985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423874602.

The product of its digits is 272160, while the sum is 47.

The square root of 2119372985 is about 46036.6482815593. The cubic root of 2119372985 is about 1284.5049969039.

The spelling of 2119372985 in words is "two billion, one hundred nineteen million, three hundred seventy-two thousand, nine hundred eighty-five".