6894237394 has 16 divisors (see below), whose sum is σ = 11521512576. Its totient is φ = 3067068400.

The previous prime is 6894237377. The next prime is 6894237397. The reversal of 6894237394 is 4937324986.

It is a happy number.

It is a super-2 number, since 2×6894237394² = 95061018489655822472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6894237397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332737 + ... + 3334804.

It is an arithmetic number, because the mean of its divisors is an integer number (720094536).

Almost surely, 2^6894237394 is an apocalyptic number.

6894237394 is a deficient number, since it is larger than the sum of its proper divisors (4627275182).

6894237394 is a wasteful number, since it uses less digits than its factorization.

6894237394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667601.

The product of its digits is 7838208, while the sum is 55.

The square root of 6894237394 is about 83031.5445719276. The cubic root of 6894237394 is about 1903.2481276852.

The spelling of 6894237394 in words is "six billion, eight hundred ninety-four million, two hundred thirty-seven thousand, three hundred ninety-four".