6815699248 has 20 divisors (see below), whose sum is σ = 13660777440. Its totient is φ = 3290337344.

The previous prime is 6815699237. The next prime is 6815699249. The reversal of 6815699248 is 8429965186.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 6815699192 and 6815699201.

It is not an unprimeable number, because it can be changed into a prime (6815699249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7344040 + ... + 7344967.

It is an arithmetic number, because the mean of its divisors is an integer number (683038872).

Almost surely, 2^6815699248 is an apocalyptic number.

It is an amenable number.

6815699248 is an abundant number, since it is smaller than the sum of its proper divisors (6845078192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6815699248 is a wasteful number, since it uses less digits than its factorization.

6815699248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14689044 (or 14689038 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The square root of 6815699248 is about 82557.2483068567. The cubic root of 6815699248 is about 1895.9933340814.

The spelling of 6815699248 in words is "six billion, eight hundred fifteen million, six hundred ninety-nine thousand, two hundred forty-eight".