1262868923291 has 2 divisors, whose sum is σ = 1262868923292. Its totient is φ = 1262868923290.

The previous prime is 1262868923257. The next prime is 1262868923333. The reversal of 1262868923291 is 1923298682621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1262868923291 - 2¹⁰ = 1262868922267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1262868923291.

It is not a weakly prime, because it can be changed into another prime (1262868923191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631434461645 + 631434461646.

It is an arithmetic number, because the mean of its divisors is an integer number (631434461646).

Almost surely, 2^{1262868923291} is an apocalyptic number.

1262868923291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262868923291 is an equidigital number, since it uses as much as digits as its factorization.

1262868923291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 59.

The spelling of 1262868923291 in words is "one trillion, two hundred sixty-two billion, eight hundred sixty-eight million, nine hundred twenty-three thousand, two hundred ninety-one".