609825226864 has 20 divisors (see below), whose sum is σ = 1350327288304. Its totient is φ = 261353668608.

The previous prime is 609825226847. The next prime is 609825226867. The reversal of 609825226864 is 468622528906.

It is a junction number, because it is equal to n+sod(n) for n = 609825226799 and 609825226808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609825226867) 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, 2722433937 + ... + 2722434160.

Almost surely, 2^609825226864 is an apocalyptic number.

It is an amenable number.

609825226864 is an abundant number, since it is smaller than the sum of its proper divisors (740502061440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609825226864 is a wasteful number, since it uses less digits than its factorization.

609825226864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444868112 (or 5444868106 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 58.

The spelling of 609825226864 in words is "six hundred nine billion, eight hundred twenty-five million, two hundred twenty-six thousand, eight hundred sixty-four".