693945636127 has 8 divisors (see below), whose sum is σ = 730555900160. Its totient is φ = 657344053080.

The previous prime is 693945636091. The next prime is 693945636217. The reversal of 693945636127 is 721636549396.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 693945636127 - 2³⁹ = 144189822239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693945136127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005833 + ... + 2326210.

It is an arithmetic number, because the mean of its divisors is an integer number (91319487520).

Almost surely, 2^693945636127 is an apocalyptic number.

693945636127 is a deficient number, since it is larger than the sum of its proper divisors (36610264033).

693945636127 is a wasteful number, since it uses less digits than its factorization.

693945636127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340493.

The product of its digits is 44089920, while the sum is 61.

The spelling of 693945636127 in words is "six hundred ninety-three billion, nine hundred forty-five million, six hundred thirty-six thousand, one hundred twenty-seven".