65842842474 has 24 divisors (see below), whose sum is σ = 145694802240. Its totient is φ = 21480643368.

The previous prime is 65842842451. The next prime is 65842842487. The reversal of 65842842474 is 47424824856.

It is a happy number.

65842842474 is a `hidden beast` number, since 6 + 58 + 42 + 84 + 2 + 474 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 65842842474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38913364 + ... + 38915055.

It is an arithmetic number, because the mean of its divisors is an integer number (6070616760).

Almost surely, 2^65842842474 is an apocalyptic number.

65842842474 is an abundant number, since it is smaller than the sum of its proper divisors (79851959766).

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

65842842474 is a wasteful number, since it uses less digits than its factorization.

65842842474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77828474 (or 77828471 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 54.

The spelling of 65842842474 in words is "sixty-five billion, eight hundred forty-two million, eight hundred forty-two thousand, four hundred seventy-four".