65260821382 has 8 divisors (see below), whose sum is σ = 103649539896. Its totient is φ = 30710974752.

The previous prime is 65260821377. The next prime is 65260821401. The reversal of 65260821382 is 28312806256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959717928 + ... + 959717995.

It is an arithmetic number, because the mean of its divisors is an integer number (12956192487).

Almost surely, 2^65260821382 is an apocalyptic number.

65260821382 is a deficient number, since it is larger than the sum of its proper divisors (38388718514).

65260821382 is a wasteful number, since it uses less digits than its factorization.

65260821382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919435942.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 65260821382 in words is "sixty-five billion, two hundred sixty million, eight hundred twenty-one thousand, three hundred eighty-two".