2112447519 has 40 divisors (see below), whose sum is σ = 3883867680. Its totient is φ = 1114254144.

The previous prime is 2112447517. The next prime is 2112447527. The reversal of 2112447519 is 9157442112.

It is not a de Polignac number, because 2112447519 - 2¹ = 2112447517 is a prime.

It is a super-2 number, since 2×2112447519² = 8924869041058510722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112447517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135924 + ... + 150665.

It is an arithmetic number, because the mean of its divisors is an integer number (97096692).

Almost surely, 2^2112447519 is an apocalyptic number.

2112447519 is a deficient number, since it is larger than the sum of its proper divisors (1771420161).

2112447519 is a wasteful number, since it uses less digits than its factorization.

2112447519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286621 (or 286612 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2112447519 is about 45961.3698555646. The cubic root of 2112447519 is about 1283.1043463406.

The spelling of 2112447519 in words is "two billion, one hundred twelve million, four hundred forty-seven thousand, five hundred nineteen".