6997450818 has 32 divisors (see below), whose sum is σ = 14835488256. Its totient is φ = 2192707328.

The previous prime is 6997450753. The next prime is 6997450819. The reversal of 6997450818 is 8180547996.

It is not an unprimeable number, because it can be changed into a prime (6997450819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48280 + ... + 127772.

It is an arithmetic number, because the mean of its divisors is an integer number (463609008).

Almost surely, 2^6997450818 is an apocalyptic number.

6997450818 is an abundant number, since it is smaller than the sum of its proper divisors (7838037438).

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

6997450818 is a wasteful number, since it uses less digits than its factorization.

6997450818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80378.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The square root of 6997450818 is about 83650.7669899087. The cubic root of 6997450818 is about 1912.6989445913.

The spelling of 6997450818 in words is "six billion, nine hundred ninety-seven million, four hundred fifty thousand, eight hundred eighteen".