2664756242065 has 8 divisors (see below), whose sum is σ = 3251905922880. Its totient is φ = 2095672705392.

The previous prime is 2664756242053. The next prime is 2664756242107. The reversal of 2664756242065 is 5602426574662.

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 2664756242065 - 2¹¹ = 2664756240017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2664756241997 and 2664756242015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4516535709 + ... + 4516536298.

It is an arithmetic number, because the mean of its divisors is an integer number (406488240360).

Almost surely, 2^{2664756242065} is an apocalyptic number.

It is an amenable number.

2664756242065 is a deficient number, since it is larger than the sum of its proper divisors (587149680815).

2664756242065 is an equidigital number, since it uses as much as digits as its factorization.

2664756242065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033072071.

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 2664756242065 in words is "two trillion, six hundred sixty-four billion, seven hundred fifty-six million, two hundred forty-two thousand, sixty-five".