2780000275253 has 4 divisors (see below), whose sum is σ = 2875862353740. Its totient is φ = 2684138196768.

The previous prime is 2780000275243. The next prime is 2780000275267. The reversal of 2780000275253 is 3525720000872.

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 2052061980004 + 727938295249 = 1432502^2 + 853193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2780000275253 - 2²⁰ = 2779999226677 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 2780000275253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780000275243) 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, 47931039200 + ... + 47931039257.

It is an arithmetic number, because the mean of its divisors is an integer number (718965588435).

Almost surely, 2^{2780000275253} is an apocalyptic number.

It is an amenable number.

2780000275253 is a deficient number, since it is larger than the sum of its proper divisors (95862078487).

2780000275253 is an equidigital number, since it uses as much as digits as its factorization.

2780000275253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95862078486.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 2780000275253 in words is "two trillion, seven hundred eighty billion, two hundred seventy-five thousand, two hundred fifty-three".