1263484848399 has 8 divisors (see below), whose sum is σ = 1684666243632. Its totient is φ = 842313342720.

The previous prime is 1263484848391. The next prime is 1263484848401. The reversal of 1263484848399 is 9938484843621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1263484848399 - 2³ = 1263484848391 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263484848391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168962 + ... + 2689119.

It is an arithmetic number, because the mean of its divisors is an integer number (210583280454).

Almost surely, 2^{1263484848399} is an apocalyptic number.

1263484848399 is a deficient number, since it is larger than the sum of its proper divisors (421181395233).

1263484848399 is an equidigital number, since it uses as much as digits as its factorization.

1263484848399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944777.

The product of its digits is 286654464, while the sum is 69.

The spelling of 1263484848399 in words is "one trillion, two hundred sixty-three billion, four hundred eighty-four million, eight hundred forty-eight thousand, three hundred ninety-nine".