42789486906 has 24 divisors (see below), whose sum is σ = 93071306484. Its totient is φ = 14207662080.

The previous prime is 42789486893. The next prime is 42789486913. The reversal of 42789486906 is 60968498724.

42789486906 is a `hidden beast` number, since 427 + 89 + 48 + 6 + 90 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42659184681 + 130302225 = 206541^2 + 11415^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4620265 + ... + 4629516.

Almost surely, 2^42789486906 is an apocalyptic number.

42789486906 is an abundant number, since it is smaller than the sum of its proper divisors (50281819578).

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

42789486906 is a wasteful number, since it uses less digits than its factorization.

42789486906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9250046 (or 9250043 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 42789486906 in words is "forty-two billion, seven hundred eighty-nine million, four hundred eighty-six thousand, nine hundred six".