266931098747 has 2 divisors, whose sum is σ = 266931098748. Its totient is φ = 266931098746.

The previous prime is 266931098737. The next prime is 266931098761. The reversal of 266931098747 is 747890139662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266931098747 is a prime.

It is a super-2 number, since 2×266931098747² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266931098747.

It is not a weakly prime, because it can be changed into another prime (266931098737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133465549373 + 133465549374.

It is an arithmetic number, because the mean of its divisors is an integer number (133465549374).

Almost surely, 2^266931098747 is an apocalyptic number.

266931098747 is a deficient number, since it is larger than the sum of its proper divisors (1).

266931098747 is an equidigital number, since it uses as much as digits as its factorization.

266931098747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 266931098747 in words is "two hundred sixty-six billion, nine hundred thirty-one million, ninety-eight thousand, seven hundred forty-seven".