965669965 has 16 divisors (see below), whose sum is σ = 1313625600. Its totient is φ = 675577152.

The previous prime is 965669953. The next prime is 965669981. The reversal of 965669965 is 569966569.

It is a cyclic number.

It is not a de Polignac number, because 965669965 - 2¹⁹ = 965145677 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 389725 + ... + 392194.

It is an arithmetic number, because the mean of its divisors is an integer number (82101600).

Almost surely, 2^965669965 is an apocalyptic number.

965669965 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

965669965 is a deficient number, since it is larger than the sum of its proper divisors (347955635).

965669965 is a wasteful number, since it uses less digits than its factorization.

965669965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781956.

The product of its digits is 23619600, while the sum is 61.

The square root of 965669965 is about 31075.2307312432. The cubic root of 965669965 is about 988.4231487041.

The spelling of 965669965 in words is "nine hundred sixty-five million, six hundred sixty-nine thousand, nine hundred sixty-five".