6994444457 has 32 divisors (see below), whose sum is σ = 9609600000. Its totient is φ = 4913939520.

The previous prime is 6994444451. The next prime is 6994444469. The reversal of 6994444457 is 7544444996.

It is not a de Polignac number, because 6994444457 - 2⁴ = 6994444441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6994444451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38207 + ... + 124292.

It is an arithmetic number, because the mean of its divisors is an integer number (300300000).

Almost surely, 2^6994444457 is an apocalyptic number.

It is an amenable number.

6994444457 is a deficient number, since it is larger than the sum of its proper divisors (2615155543).

6994444457 is a wasteful number, since it uses less digits than its factorization.

6994444457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162573.

The product of its digits is 17418240, while the sum is 56.

The square root of 6994444457 is about 83632.7953436928. The cubic root of 6994444457 is about 1912.4249835272.

The spelling of 6994444457 in words is "six billion, nine hundred ninety-four million, four hundred forty-four thousand, four hundred fifty-seven".