1065213336644 has 12 divisors (see below), whose sum is σ = 1864920330000. Its totient is φ = 532378956648.

The previous prime is 1065213336641. The next prime is 1065213336653. The reversal of 1065213336644 is 4466333125601.

It is a super-2 number, since 2×1065213336644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065213336595 and 1065213336604.

It is not an unprimeable number, because it can be changed into a prime (1065213336641) 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 in 3 ways as a sum of consecutive naturals, for example, 56917394 + ... + 56936105.

It is an arithmetic number, because the mean of its divisors is an integer number (155410027500).

Almost surely, 2^{1065213336644} is an apocalyptic number.

It is an amenable number.

1065213336644 is a deficient number, since it is larger than the sum of its proper divisors (799706993356).

1065213336644 is a wasteful number, since it uses less digits than its factorization.

1065213336644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113855842 (or 113855840 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 1065213336644 in words is "one trillion, sixty-five billion, two hundred thirteen million, three hundred thirty-six thousand, six hundred forty-four".