276411381563 has 2 divisors, whose sum is σ = 276411381564. Its totient is φ = 276411381562.

The previous prime is 276411381511. The next prime is 276411381583. The reversal of 276411381563 is 365183114672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276411381563 - 2⁸ = 276411381307 is a prime.

It is not a weakly prime, because it can be changed into another prime (276411381583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138205690781 + 138205690782.

It is an arithmetic number, because the mean of its divisors is an integer number (138205690782).

Almost surely, 2^276411381563 is an apocalyptic number.

276411381563 is a deficient number, since it is larger than the sum of its proper divisors (1).

276411381563 is an equidigital number, since it uses as much as digits as its factorization.

276411381563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The spelling of 276411381563 in words is "two hundred seventy-six billion, four hundred eleven million, three hundred eighty-one thousand, five hundred sixty-three".