624464426489 has 8 divisors (see below), whose sum is σ = 643864623072. Its totient is φ = 605285946720.

The previous prime is 624464426477. The next prime is 624464426513. The reversal of 624464426489 is 984624464426.

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 624464426489 - 2²⁰ = 624463377913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624464422489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55423484 + ... + 55434749.

It is an arithmetic number, because the mean of its divisors is an integer number (80483077884).

Almost surely, 2^624464426489 is an apocalyptic number.

It is an amenable number.

624464426489 is a deficient number, since it is larger than the sum of its proper divisors (19400196583).

624464426489 is a wasteful number, since it uses less digits than its factorization.

624464426489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110858407.

The product of its digits is 63700992, while the sum is 59.

The spelling of 624464426489 in words is "six hundred twenty-four billion, four hundred sixty-four million, four hundred twenty-six thousand, four hundred eighty-nine".