276715536641 has 2 divisors, whose sum is σ = 276715536642. Its totient is φ = 276715536640.

The previous prime is 276715536607. The next prime is 276715536683. The reversal of 276715536641 is 146635517672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192497175025 + 84218361616 = 438745^2 + 290204^2 .

It is a cyclic number.

It is not a de Polignac number, because 276715536641 - 2¹⁸ = 276715274497 is a prime.

It is a super-2 number, since 2×276715536641² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (276715533641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138357768320 + 138357768321.

It is an arithmetic number, because the mean of its divisors is an integer number (138357768321).

Almost surely, 2^276715536641 is an apocalyptic number.

It is an amenable number.

276715536641 is a deficient number, since it is larger than the sum of its proper divisors (1).

276715536641 is an equidigital number, since it uses as much as digits as its factorization.

276715536641 is an evil number, because the sum of its binary digits is even.

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

The spelling of 276715536641 in words is "two hundred seventy-six billion, seven hundred fifteen million, five hundred thirty-six thousand, six hundred forty-one".