266675498043547 has 2 divisors, whose sum is σ = 266675498043548. Its totient is φ = 266675498043546.

The previous prime is 266675498043481. The next prime is 266675498043607. The reversal of 266675498043547 is 745340894576662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266675498043547 is a prime.

It is a super-2 number, since 2×266675498043547² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (266675448043547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133337749021773 + 133337749021774.

It is an arithmetic number, because the mean of its divisors is an integer number (133337749021774).

Almost surely, 2^{266675498043547} is an apocalyptic number.

266675498043547 is a deficient number, since it is larger than the sum of its proper divisors (1).

266675498043547 is an equidigital number, since it uses as much as digits as its factorization.

266675498043547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7315660800, while the sum is 76.

The spelling of 266675498043547 in words is "two hundred sixty-six trillion, six hundred seventy-five billion, four hundred ninety-eight million, forty-three thousand, five hundred forty-seven".