65857341428 has 12 divisors (see below), whose sum is σ = 117139697892. Its totient is φ = 32388856320.

The previous prime is 65857341427. The next prime is 65857341449. The reversal of 65857341428 is 82414375856.

It can be written as a sum of positive squares in 2 ways, for example, as 5532086884 + 60325254544 = 74378^2 + 245612^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65857341428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65857341427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134953325 + ... + 134953812.

It is an arithmetic number, because the mean of its divisors is an integer number (9761641491).

Almost surely, 2^65857341428 is an apocalyptic number.

It is an amenable number.

65857341428 is a deficient number, since it is larger than the sum of its proper divisors (51282356464).

65857341428 is a wasteful number, since it uses less digits than its factorization.

65857341428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269907202 (or 269907200 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The spelling of 65857341428 in words is "sixty-five billion, eight hundred fifty-seven million, three hundred forty-one thousand, four hundred twenty-eight".