6994494128 has 40 divisors (see below), whose sum is σ = 13969677312. Its totient is φ = 3390809408.

The previous prime is 6994494121. The next prime is 6994494131. The reversal of 6994494128 is 8214944996.

It is not an unprimeable number, because it can be changed into a prime (6994494121) 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, 37001 + ... + 123927.

Almost surely, 2^6994494128 is an apocalyptic number.

It is an amenable number.

6994494128 is a deficient number, since it is larger than the sum of its proper divisors (6975183184).

6994494128 is a wasteful number, since it uses less digits than its factorization.

6994494128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87089 (or 87083 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 6994494128 is about 83633.0923020308. The cubic root of 6994494128 is about 1912.4295105408.

The spelling of 6994494128 in words is "six billion, nine hundred ninety-four million, four hundred ninety-four thousand, one hundred twenty-eight".