653230066405 has 48 divisors (see below), whose sum is σ = 955615852800. Its totient is φ = 428453411232.

The previous prime is 653230066351. The next prime is 653230066439. The reversal of 653230066405 is 504660032356.

653230066405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 653230066405 - 2⁷ = 653230066277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547224 + ... + 1267246.

It is an arithmetic number, because the mean of its divisors is an integer number (19908663600).

Almost surely, 2^653230066405 is an apocalyptic number.

It is an amenable number.

653230066405 is a deficient number, since it is larger than the sum of its proper divisors (302385786395).

653230066405 is an equidigital number, since it uses as much as digits as its factorization.

653230066405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720095 (or 720058 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 653230066405 in words is "six hundred fifty-three billion, two hundred thirty million, sixty-six thousand, four hundred five".