609648451520 has 56 divisors (see below), whose sum is σ = 1464572589264. Its totient is φ = 241701318656.

The previous prime is 609648451501. The next prime is 609648451547. The reversal of 609648451520 is 25154846906.

609648451520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8393714 + ... + 8466033.

Almost surely, 2^609648451520 is an apocalyptic number.

It is an amenable number.

609648451520 is an abundant number, since it is smaller than the sum of its proper divisors (854924137744).

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

609648451520 is a wasteful number, since it uses less digits than its factorization.

609648451520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16859877 (or 16859867 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 609648451520 in words is "six hundred nine billion, six hundred forty-eight million, four hundred fifty-one thousand, five hundred twenty".