144408264693 has 24 divisors (see below), whose sum is σ = 241873902144. Its totient is φ = 75017279040.

The previous prime is 144408264659. The next prime is 144408264697. The reversal of 144408264693 is 396462804441.

It is not a de Polignac number, because 144408264693 - 2³⁰ = 143334522869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144408264697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28413096 + ... + 28418177.

It is an arithmetic number, because the mean of its divisors is an integer number (10078079256).

Almost surely, 2^144408264693 is an apocalyptic number.

It is an amenable number.

144408264693 is a deficient number, since it is larger than the sum of its proper divisors (97465637451).

144408264693 is a wasteful number, since it uses less digits than its factorization.

144408264693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56831305 (or 56831294 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 144408264693 in words is "one hundred forty-four billion, four hundred eight million, two hundred sixty-four thousand, six hundred ninety-three".