1260866476799 has 4 divisors (see below), whose sum is σ = 1260868824336. Its totient is φ = 1260864129264.

The previous prime is 1260866476781. The next prime is 1260866476873. The reversal of 1260866476799 is 9976746680621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1260866476799 - 2³² = 1256571509503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260866476769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74102 + ... + 1589724.

It is an arithmetic number, because the mean of its divisors is an integer number (315217206084).

Almost surely, 2^{1260866476799} is an apocalyptic number.

1260866476799 is a deficient number, since it is larger than the sum of its proper divisors (2347537).

1260866476799 is an equidigital number, since it uses as much as digits as its factorization.

1260866476799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347536.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 1260866476799 in words is "one trillion, two hundred sixty billion, eight hundred sixty-six million, four hundred seventy-six thousand, seven hundred ninety-nine".