263044421047 has 8 divisors (see below), whose sum is σ = 276934002560. Its totient is φ = 249159353400.

The previous prime is 263044420967. The next prime is 263044421069. The reversal of 263044421047 is 740124440362.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263044421047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263044420997 and 263044421015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263044481047) 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, 1008513 + ... + 1242250.

It is an arithmetic number, because the mean of its divisors is an integer number (34616750320).

Almost surely, 2^263044421047 is an apocalyptic number.

263044421047 is a deficient number, since it is larger than the sum of its proper divisors (13889581513).

263044421047 is a wasteful number, since it uses less digits than its factorization.

263044421047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256933.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 263044421047 in words is "two hundred sixty-three billion, forty-four million, four hundred twenty-one thousand, forty-seven".