6694955993 has 32 divisors (see below), whose sum is σ = 7587879552. Its totient is φ = 5854464000.

The previous prime is 6694955987. The next prime is 6694955999. The reversal of 6694955993 is 3995594966.

It is an interprime number because it is at equal distance from previous prime (6694955987) and next prime (6694955999).

It is not a de Polignac number, because 6694955993 - 2¹⁶ = 6694890457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6694955999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16863671 + ... + 16864067.

It is an arithmetic number, because the mean of its divisors is an integer number (237121236).

Almost surely, 2^6694955993 is an apocalyptic number.

It is an amenable number.

6694955993 is a deficient number, since it is larger than the sum of its proper divisors (892923559).

6694955993 is a wasteful number, since it uses less digits than its factorization.

6694955993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its digits is 70858800, while the sum is 65.

The square root of 6694955993 is about 81822.7107409673. The cubic root of 6694955993 is about 1884.7304286555.

The spelling of 6694955993 in words is "six billion, six hundred ninety-four million, nine hundred fifty-five thousand, nine hundred ninety-three".