6815212372 has 48 divisors (see below), whose sum is σ = 12943385280. Its totient is φ = 3129235200.

The previous prime is 6815212319. The next prime is 6815212403. The reversal of 6815212372 is 2732125186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482247 + ... + 496177.

It is an arithmetic number, because the mean of its divisors is an integer number (269653860).

Almost surely, 2^6815212372 is an apocalyptic number.

It is an amenable number.

6815212372 is a deficient number, since it is larger than the sum of its proper divisors (6128172908).

6815212372 is a wasteful number, since it uses less digits than its factorization.

6815212372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152 (or 14150 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 6815212372 is about 82554.2995367292. The cubic root of 6815212372 is about 1895.9481865674.

The spelling of 6815212372 in words is "six billion, eight hundred fifteen million, two hundred twelve thousand, three hundred seventy-two".