609137625492 has 144 divisors (see below), whose sum is σ = 1740713788800. Its totient is φ = 184071571200.

The previous prime is 609137625491. The next prime is 609137625511. The reversal of 609137625492 is 294526731906.

609137625492 is a `hidden beast` number, since 6 + 0 + 9 + 1 + 3 + 7 + 625 + 4 + 9 + 2 = 666.

609137625492 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 (609137625491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4626492 + ... + 4756332.

It is an arithmetic number, because the mean of its divisors is an integer number (12088290200).

Almost surely, 2^609137625492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609137625492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870356894400).

609137625492 is an abundant number, since it is smaller than the sum of its proper divisors (1131576163308).

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

609137625492 is a wasteful number, since it uses less digits than its factorization.

609137625492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130235 (or 130216 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 609137625492 in words is "six hundred nine billion, one hundred thirty-seven million, six hundred twenty-five thousand, four hundred ninety-two".