10949937665 has 8 divisors (see below), whose sum is σ = 13145244840. Its totient is φ = 8756403712.

The previous prime is 10949937637. The next prime is 10949937703. The reversal of 10949937665 is 56673994901.

It can be written as a sum of positive squares in 4 ways, for example, as 4447289344 + 6502648321 = 66688^2 + 80639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10949937665 - 2¹⁸ = 10949675521 is a prime.

It is a super-2 number, since 2×10949937665² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429680 + ... + 454449.

It is an arithmetic number, because the mean of its divisors is an integer number (1643155605).

Almost surely, 2^10949937665 is an apocalyptic number.

It is an amenable number.

10949937665 is a deficient number, since it is larger than the sum of its proper divisors (2195307175).

10949937665 is an equidigital number, since it uses as much as digits as its factorization.

10949937665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886611.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 10949937665 in words is "ten billion, nine hundred forty-nine million, nine hundred thirty-seven thousand, six hundred sixty-five".