65242028826784 has 24 divisors (see below), whose sum is σ = 128476322481780. Its totient is φ = 32613121529856.

The previous prime is 65242028826743. The next prime is 65242028826859. The reversal of 65242028826784 is 48762882024256.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64438187475600 + 803841351184 = 8027340^2 + 896572^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246518289 + ... + 246782800.

Almost surely, 2^{65242028826784} is an apocalyptic number.

It is an amenable number.

65242028826784 is a deficient number, since it is larger than the sum of its proper divisors (63234293654996).

65242028826784 is a wasteful number, since it uses less digits than its factorization.

65242028826784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493305232 (or 493305224 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 64.

The spelling of 65242028826784 in words is "sixty-five trillion, two hundred forty-two billion, twenty-eight million, eight hundred twenty-six thousand, seven hundred eighty-four".