693461436044441 has 4 divisors (see below), whose sum is σ = 693461701173300. Its totient is φ = 693461170915584.

The previous prime is 693461436044393. The next prime is 693461436044449. The reversal of 693461436044441 is 144440634164396.

693461436044441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44894824129600 + 648566611914841 = 6700360^2 + 25466971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693461436044441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693461436044449) 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, 128601596 + ... + 133885373.

It is an arithmetic number, because the mean of its divisors is an integer number (173365425293325).

Almost surely, 2^{693461436044441} is an apocalyptic number.

It is an amenable number.

693461436044441 is a deficient number, since it is larger than the sum of its proper divisors (265128859).

693461436044441 is a wasteful number, since it uses less digits than its factorization.

693461436044441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265128858.

The product of its (nonzero) digits is 71663616, while the sum is 59.

The spelling of 693461436044441 in words is "six hundred ninety-three trillion, four hundred sixty-one billion, four hundred thirty-six million, forty-four thousand, four hundred forty-one".