685413415432 has 8 divisors (see below), whose sum is σ = 1285150153950. Its totient is φ = 342706707712.

The previous prime is 685413415399. The next prime is 685413415481. The reversal of 685413415432 is 234514314586.

685413415432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 354827514276 + 330585901156 = 595674^2 + 574966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42838338457 + ... + 42838338472.

Almost surely, 2^685413415432 is an apocalyptic number.

It is an amenable number.

685413415432 is a deficient number, since it is larger than the sum of its proper divisors (599736738518).

685413415432 is a wasteful number, since it uses less digits than its factorization.

685413415432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85676676935 (or 85676676931 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 685413415432 in words is "six hundred eighty-five billion, four hundred thirteen million, four hundred fifteen thousand, four hundred thirty-two".