276862242268643 has 2 divisors, whose sum is σ = 276862242268644. Its totient is φ = 276862242268642.

The previous prime is 276862242268613. The next prime is 276862242268679. The reversal of 276862242268643 is 346862242268672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276862242268643 - 2¹² = 276862242264547 is a prime.

It is a super-2 number, since 2×276862242268643² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (276862242268613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138431121134321 + 138431121134322.

It is an arithmetic number, because the mean of its divisors is an integer number (138431121134322).

Almost surely, 2^{276862242268643} is an apocalyptic number.

276862242268643 is a deficient number, since it is larger than the sum of its proper divisors (1).

276862242268643 is an equidigital number, since it uses as much as digits as its factorization.

276862242268643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 891813888, while the sum is 68.

The spelling of 276862242268643 in words is "two hundred seventy-six trillion, eight hundred sixty-two billion, two hundred forty-two million, two hundred sixty-eight thousand, six hundred forty-three".