1266714473 has 2 divisors, whose sum is σ = 1266714474. Its totient is φ = 1266714472.

The previous prime is 1266714431. The next prime is 1266714481. The reversal of 1266714473 is 3744176621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930982144 + 335732329 = 30512^2 + 18323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1266714473 - 2⁶ = 1266714409 is a prime.

It is a super-2 number, since 2×1266714473² = 3209131112215335458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1266714473.

It is not a weakly prime, because it can be changed into another prime (1266714413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633357236 + 633357237.

It is an arithmetic number, because the mean of its divisors is an integer number (633357237).

Almost surely, 2^1266714473 is an apocalyptic number.

It is an amenable number.

1266714473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266714473 is an equidigital number, since it uses as much as digits as its factorization.

1266714473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 1266714473 is about 35590.9324547700. The cubic root of 1266714473 is about 1081.9974673732.

The spelling of 1266714473 in words is "one billion, two hundred sixty-six million, seven hundred fourteen thousand, four hundred seventy-three".