65349063844 has 12 divisors (see below), whose sum is σ = 114372449100. Its totient is φ = 32671221248.

The previous prime is 65349063823. The next prime is 65349063859. The reversal of 65349063844 is 44836094356.

It can be written as a sum of positive squares in 2 ways, for example, as 21989330944 + 43359732900 = 148288^2 + 208230^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65349063791 and 65349063800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782989 + ... + 862420.

It is an arithmetic number, because the mean of its divisors is an integer number (9531037425).

Almost surely, 2^65349063844 is an apocalyptic number.

It is an amenable number.

65349063844 is a deficient number, since it is larger than the sum of its proper divisors (49023385256).

65349063844 is a wasteful number, since it uses less digits than its factorization.

65349063844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655342 (or 1655340 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 65349063844 in words is "sixty-five billion, three hundred forty-nine million, sixty-three thousand, eight hundred forty-four".