609436420992 has 160 divisors (see below), whose sum is σ = 2072769291120. Its totient is φ = 174124670976.

The previous prime is 609436420963. The next prime is 609436420993. The reversal of 609436420992 is 299024634906.

609436420992 is a `hidden beast` number, since 609 + 4 + 3 + 6 + 4 + 20 + 9 + 9 + 2 = 666.

609436420992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609436420993) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4126033 + ... + 4271184.

Almost surely, 2^609436420992 is an apocalyptic number.

It is an amenable number.

609436420992 is an abundant number, since it is smaller than the sum of its proper divisors (1463332870128).

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

609436420992 is an equidigital number, since it uses as much as digits as its factorization.

609436420992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8397250 (or 8397229 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 609436420992 in words is "six hundred nine billion, four hundred thirty-six million, four hundred twenty thousand, nine hundred ninety-two".