276553602673 has 2 divisors, whose sum is σ = 276553602674. Its totient is φ = 276553602672.

The previous prime is 276553602613. The next prime is 276553602727. The reversal of 276553602673 is 376206355672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272095770384 + 4457832289 = 521628^2 + 66767^2 .

It is a cyclic number.

It is not a de Polignac number, because 276553602673 - 2²⁵ = 276520048241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276553602673.

It is not a weakly prime, because it can be changed into another prime (276553602613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138276801336 + 138276801337.

It is an arithmetic number, because the mean of its divisors is an integer number (138276801337).

Almost surely, 2^276553602673 is an apocalyptic number.

It is an amenable number.

276553602673 is a deficient number, since it is larger than the sum of its proper divisors (1).

276553602673 is an equidigital number, since it uses as much as digits as its factorization.

276553602673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 52.

The spelling of 276553602673 in words is "two hundred seventy-six billion, five hundred fifty-three million, six hundred two thousand, six hundred seventy-three".