2148785065727 has 8 divisors (see below), whose sum is σ = 2204857036032. Its totient is φ = 2092887504000.

The previous prime is 2148785065703. The next prime is 2148785065741. The reversal of 2148785065727 is 7275605878412.

It is a happy number.

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-2148785065727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2148785065727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148785065747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43577183 + ... + 43626464.

It is an arithmetic number, because the mean of its divisors is an integer number (275607129504).

Almost surely, 2^{2148785065727} is an apocalyptic number.

2148785065727 is a deficient number, since it is larger than the sum of its proper divisors (56071970305).

2148785065727 is an equidigital number, since it uses as much as digits as its factorization.

2148785065727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87204289.

The product of its (nonzero) digits is 52684800, while the sum is 62.

The spelling of 2148785065727 in words is "two trillion, one hundred forty-eight billion, seven hundred eighty-five million, sixty-five thousand, seven hundred twenty-seven".