1965068609613 has 16 divisors (see below), whose sum is σ = 2681362516800. Its totient is φ = 1279417918464.

The previous prime is 1965068609591. The next prime is 1965068609617. The reversal of 1965068609613 is 3169068605691.

It is not a de Polignac number, because 1965068609613 - 2⁶ = 1965068609549 is a prime.

It is a super-2 number, since 2×1965068609613² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965068609617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67245 + ... + 1983597.

It is an arithmetic number, because the mean of its divisors is an integer number (167585157300).

Almost surely, 2^{1965068609613} is an apocalyptic number.

It is an amenable number.

1965068609613 is a deficient number, since it is larger than the sum of its proper divisors (716293907187).

1965068609613 is a wasteful number, since it uses less digits than its factorization.

1965068609613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924348.

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 1965068609613 in words is "one trillion, nine hundred sixty-five billion, sixty-eight million, six hundred nine thousand, six hundred thirteen".