609935839744 has 320 divisors, whose sum is σ = 1585136044800. Its totient is φ = 229390909440.

The previous prime is 609935839727. The next prime is 609935839763. The reversal of 609935839744 is 447938539906.

It is a self number, because there is not a number n which added to its sum of digits gives 609935839744.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138336612 + ... + 138341020.

It is an arithmetic number, because the mean of its divisors is an integer number (4953550140).

Almost surely, 2^609935839744 is an apocalyptic number.

609935839744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609935839744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792568022400).

609935839744 is an abundant number, since it is smaller than the sum of its proper divisors (975200205056).

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

609935839744 is an equidigital number, since it uses as much as digits as its factorization.

609935839744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 609935839744 in words is "six hundred nine billion, nine hundred thirty-five million, eight hundred thirty-nine thousand, seven hundred forty-four".