2666524500943 has 2 divisors, whose sum is σ = 2666524500944. Its totient is φ = 2666524500942.

The previous prime is 2666524500911. The next prime is 2666524501099. The reversal of 2666524500943 is 3490054256662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2666524500943 - 2⁵ = 2666524500911 is a prime.

It is a super-2 number, since 2×2666524500943² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666524560943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333262250471 + 1333262250472.

It is an arithmetic number, because the mean of its divisors is an integer number (1333262250472).

Almost surely, 2^{2666524500943} is an apocalyptic number.

2666524500943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666524500943 is an equidigital number, since it uses as much as digits as its factorization.

2666524500943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 2666524500943 in words is "two trillion, six hundred sixty-six billion, five hundred twenty-four million, five hundred thousand, nine hundred forty-three".