65021303836 has 6 divisors (see below), whose sum is σ = 113787281720. Its totient is φ = 32510651916.

The previous prime is 65021303821. The next prime is 65021303839. The reversal of 65021303836 is 63830312056.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65021303795 and 65021303804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65021303839) by changing a digit.

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 as a sum of consecutive naturals, namely, 8127662976 + ... + 8127662983.

Almost surely, 2^65021303836 is an apocalyptic number.

It is an amenable number.

65021303836 is a deficient number, since it is larger than the sum of its proper divisors (48765977884).

65021303836 is a wasteful number, since it uses less digits than its factorization.

65021303836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255325963 (or 16255325961 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 65021303836 in words is "sixty-five billion, twenty-one million, three hundred three thousand, eight hundred thirty-six".