2500504777273 has 2 divisors, whose sum is σ = 2500504777274. Its totient is φ = 2500504777272.

The previous prime is 2500504777271. The next prime is 2500504777291. The reversal of 2500504777273 is 3727774050052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1924246157584 + 576258619689 = 1387172^2 + 759117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500504777273 - 2¹ = 2500504777271 is a prime.

Together with 2500504777271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2500504777271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250252388636 + 1250252388637.

It is an arithmetic number, because the mean of its divisors is an integer number (1250252388637).

Almost surely, 2^{2500504777273} is an apocalyptic number.

It is an amenable number.

2500504777273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500504777273 is an equidigital number, since it uses as much as digits as its factorization.

2500504777273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2881200, while the sum is 49.

The spelling of 2500504777273 in words is "two trillion, five hundred billion, five hundred four million, seven hundred seventy-seven thousand, two hundred seventy-three".