263505827073 has 32 divisors (see below), whose sum is σ = 380162433024. Its totient is φ = 161717329152.

The previous prime is 263505827071. The next prime is 263505827129. The reversal of 263505827073 is 370728505362.

263505827073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 263505827073 - 2¹ = 263505827071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263505827071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3866136 + ... + 3933702.

It is an arithmetic number, because the mean of its divisors is an integer number (11880076032).

Almost surely, 2^263505827073 is an apocalyptic number.

It is an amenable number.

263505827073 is a deficient number, since it is larger than the sum of its proper divisors (116656605951).

263505827073 is a wasteful number, since it uses less digits than its factorization.

263505827073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69261.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 263505827073 in words is "two hundred sixty-three billion, five hundred five million, eight hundred twenty-seven thousand, seventy-three".