2664246031285 has 4 divisors (see below), whose sum is σ = 3197095237548. Its totient is φ = 2131396825024.

The previous prime is 2664246031283. The next prime is 2664246031297. The reversal of 2664246031285 is 5821306424662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 471361887364 + 2192884143921 = 686558^2 + 1480839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664246031285 - 2¹ = 2664246031283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664246031283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266424603124 + ... + 266424603133.

It is an arithmetic number, because the mean of its divisors is an integer number (799273809387).

Almost surely, 2^{2664246031285} is an apocalyptic number.

It is an amenable number.

2664246031285 is a deficient number, since it is larger than the sum of its proper divisors (532849206263).

2664246031285 is an equidigital number, since it uses as much as digits as its factorization.

2664246031285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532849206262.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 2664246031285 in words is "two trillion, six hundred sixty-four billion, two hundred forty-six million, thirty-one thousand, two hundred eighty-five".