2115724334 has 4 divisors (see below), whose sum is σ = 3173586504. Its totient is φ = 1057862166.

The previous prime is 2115724333. The next prime is 2115724349. The reversal of 2115724334 is 4334275112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2115724334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115724333) 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, 528931082 + ... + 528931085.

It is an arithmetic number, because the mean of its divisors is an integer number (793396626).

Almost surely, 2^2115724334 is an apocalyptic number.

2115724334 is a deficient number, since it is larger than the sum of its proper divisors (1057862170).

2115724334 is a wasteful number, since it uses less digits than its factorization.

2115724334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057862169.

The product of its digits is 20160, while the sum is 32.

The square root of 2115724334 is about 45997.0035328390. The cubic root of 2115724334 is about 1283.7674513262.

Adding to 2115724334 its reverse (4334275112), we get a palindrome (6449999446).

The spelling of 2115724334 in words is "two billion, one hundred fifteen million, seven hundred twenty-four thousand, three hundred thirty-four".