2109655309633 has 8 divisors (see below), whose sum is σ = 2156212187136. Its totient is φ = 2063601750000.

The previous prime is 2109655309613. The next prime is 2109655309649. The reversal of 2109655309633 is 3369035569012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2109655309633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109655309613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 125820993 + ... + 125837758.

It is an arithmetic number, because the mean of its divisors is an integer number (269526523392).

Almost surely, 2^{2109655309633} is an apocalyptic number.

It is an amenable number.

2109655309633 is a deficient number, since it is larger than the sum of its proper divisors (46556877503).

2109655309633 is a wasteful number, since it uses less digits than its factorization.

2109655309633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251658935.

The product of its (nonzero) digits is 3936600, while the sum is 52.

The spelling of 2109655309633 in words is "two trillion, one hundred nine billion, six hundred fifty-five million, three hundred nine thousand, six hundred thirty-three".