65109017244474 has 384 divisors, whose sum is σ = 172035416457216. Its totient is φ = 17406918144000.

The previous prime is 65109017244391. The next prime is 65109017244487. The reversal of 65109017244474 is 47444271090156.

It is a happy number.

65109017244474 is a `hidden beast` number, since 6 + 5 + 10 + 90 + 1 + 72 + 4 + 4 + 474 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 65109017244474.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5971655307 + ... + 5971666209.

It is an arithmetic number, because the mean of its divisors is an integer number (448008897024).

Almost surely, 2^{65109017244474} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65109017244474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86017708228608).

65109017244474 is an abundant number, since it is smaller than the sum of its proper divisors (106926399212742).

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

65109017244474 is a wasteful number, since it uses less digits than its factorization.

65109017244474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434 (or 11431 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 65109017244474 in words is "sixty-five trillion, one hundred nine billion, seventeen million, two hundred forty-four thousand, four hundred seventy-four".