2640275275139 has 4 divisors (see below), whose sum is σ = 2645524331856. Its totient is φ = 2635026218424.

The previous prime is 2640275275067. The next prime is 2640275275207. The reversal of 2640275275139 is 9315725720462.

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

It is a cyclic number.

It is not a de Polignac number, because 2640275275139 - 2⁸ = 2640275274883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640275275739) 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, 2624527604 + ... + 2624528609.

It is an arithmetic number, because the mean of its divisors is an integer number (661381082964).

Almost surely, 2^{2640275275139} is an apocalyptic number.

2640275275139 is a deficient number, since it is larger than the sum of its proper divisors (5249056717).

2640275275139 is an equidigital number, since it uses as much as digits as its factorization.

2640275275139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249056716.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 2640275275139 in words is "two trillion, six hundred forty billion, two hundred seventy-five million, two hundred seventy-five thousand, one hundred thirty-nine".