6894815394 has 32 divisors (see below), whose sum is σ = 14187473280. Its totient is φ = 2232185472.

The previous prime is 6894815371. The next prime is 6894815413. The reversal of 6894815394 is 4935184986.

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, 99027 + ... + 153609.

It is an arithmetic number, because the mean of its divisors is an integer number (443358540).

Almost surely, 2^6894815394 is an apocalyptic number.

6894815394 is an abundant number, since it is smaller than the sum of its proper divisors (7292657886).

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

6894815394 is a wasteful number, since it uses less digits than its factorization.

6894815394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55194.

The product of its digits is 7464960, while the sum is 57.

The square root of 6894815394 is about 83035.0251038681. The cubic root of 6894815394 is about 1903.3013144562.

The spelling of 6894815394 in words is "six billion, eight hundred ninety-four million, eight hundred fifteen thousand, three hundred ninety-four".