263505214327 has 8 divisors (see below), whose sum is σ = 281668353120. Its totient is φ = 245900941440.

The previous prime is 263505214319. The next prime is 263505214331. The reversal of 263505214327 is 723412505362.

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

It is not a de Polignac number, because 263505214327 - 2³ = 263505214319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263505214327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263505214627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139715502 + ... + 139717387.

It is an arithmetic number, because the mean of its divisors is an integer number (35208544140).

Almost surely, 2^263505214327 is an apocalyptic number.

263505214327 is a deficient number, since it is larger than the sum of its proper divisors (18163138793).

263505214327 is a wasteful number, since it uses less digits than its factorization.

263505214327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279432953.

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 263505214327 its reverse (723412505362), we get a palindrome (986917719689).

The spelling of 263505214327 in words is "two hundred sixty-three billion, five hundred five million, two hundred fourteen thousand, three hundred twenty-seven".