65505474242 has 8 divisors (see below), whose sum is σ = 105816535356. Its totient is φ = 30233295792.

The previous prime is 65505474211. The next prime is 65505474329. The reversal of 65505474242 is 24247450556.

It can be written as a sum of positive squares in 2 ways, for example, as 64232340481 + 1273133761 = 253441^2 + 35681^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 65505474193 and 65505474202.

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 3 ways as a sum of consecutive naturals, for example, 1259720633 + ... + 1259720684.

Almost surely, 2^65505474242 is an apocalyptic number.

65505474242 is a deficient number, since it is larger than the sum of its proper divisors (40311061114).

65505474242 is a wasteful number, since it uses less digits than its factorization.

65505474242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519441332.

The product of its (nonzero) digits is 1344000, while the sum is 44.

The spelling of 65505474242 in words is "sixty-five billion, five hundred five million, four hundred seventy-four thousand, two hundred forty-two".