6694407011737 has 4 divisors (see below), whose sum is σ = 6706781147236. Its totient is φ = 6682032876240.

The previous prime is 6694407011723. The next prime is 6694407011753. The reversal of 6694407011737 is 7371107044966.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5356720462681 + 1337686549056 = 2314459^2 + 1156584^2 .

It is a cyclic number.

It is not a de Polignac number, because 6694407011737 - 2⁷ = 6694407011609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6694407011837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6187066938 + ... + 6187068019.

It is an arithmetic number, because the mean of its divisors is an integer number (1676695286809).

Almost surely, 2^{6694407011737} is an apocalyptic number.

It is an amenable number.

6694407011737 is a deficient number, since it is larger than the sum of its proper divisors (12374135499).

6694407011737 is a wasteful number, since it uses less digits than its factorization.

6694407011737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12374135498.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 6694407011737 in words is "six trillion, six hundred ninety-four billion, four hundred seven million, eleven thousand, seven hundred thirty-seven".