2766017590493 has 2 divisors, whose sum is σ = 2766017590494. Its totient is φ = 2766017590492.

The previous prime is 2766017590489. The next prime is 2766017590499. The reversal of 2766017590493 is 3940957106672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2759495735929 + 6521854564 = 1661173^2 + 80758^2 .

It is a cyclic number.

It is not a de Polignac number, because 2766017590493 - 2² = 2766017590489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2766017590499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383008795246 + 1383008795247.

It is an arithmetic number, because the mean of its divisors is an integer number (1383008795247).

Almost surely, 2^{2766017590493} is an apocalyptic number.

It is an amenable number.

2766017590493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2766017590493 is an equidigital number, since it uses as much as digits as its factorization.

2766017590493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 2766017590493 in words is "two trillion, seven hundred sixty-six billion, seventeen million, five hundred ninety thousand, four hundred ninety-three".