65738404830 has 256 divisors, whose sum is σ = 193213071360. Its totient is φ = 13973299200.

The previous prime is 65738404777. The next prime is 65738404843. The reversal of 65738404830 is 3840483756.

It is a self number, because there is not a number n which added to its sum of digits gives 65738404830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 156148020 + ... + 156148440.

It is an arithmetic number, because the mean of its divisors is an integer number (754738560).

Almost surely, 2^65738404830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65738404830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96606535680).

65738404830 is an abundant number, since it is smaller than the sum of its proper divisors (127474666530).

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

65738404830 is a wasteful number, since it uses less digits than its factorization.

65738404830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 65738404830 in words is "sixty-five billion, seven hundred thirty-eight million, four hundred four thousand, eight hundred thirty".