1263314833291 has 32 divisors (see below), whose sum is σ = 1509285376512. Its totient is φ = 1034854444800.

The previous prime is 1263314833283. The next prime is 1263314833331. The reversal of 1263314833291 is 1923384133621.

It is a cyclic number.

It is not a de Polignac number, because 1263314833291 - 2³ = 1263314833283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1263314833241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5916591 + ... + 6126391.

It is an arithmetic number, because the mean of its divisors is an integer number (47165168016).

Almost surely, 2^{1263314833291} is an apocalyptic number.

1263314833291 is a deficient number, since it is larger than the sum of its proper divisors (245970543221).

1263314833291 is a wasteful number, since it uses less digits than its factorization.

1263314833291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210259.

The product of its digits is 559872, while the sum is 46.

The spelling of 1263314833291 in words is "one trillion, two hundred sixty-three billion, three hundred fourteen million, eight hundred thirty-three thousand, two hundred ninety-one".