263375673065 has 16 divisors (see below), whose sum is σ = 320806832448. Its totient is φ = 207530617536.

The previous prime is 263375673059. The next prime is 263375673131. The reversal of 263375673065 is 560376573362.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263375673065 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 263375672998 and 263375673016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3016514 + ... + 3102596.

It is an arithmetic number, because the mean of its divisors is an integer number (20050427028).

Almost surely, 2^263375673065 is an apocalyptic number.

It is an amenable number.

263375673065 is a deficient number, since it is larger than the sum of its proper divisors (57431159383).

263375673065 is an equidigital number, since it uses as much as digits as its factorization.

263375673065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95288.

The product of its (nonzero) digits is 14288400, while the sum is 53.

The spelling of 263375673065 in words is "two hundred sixty-three billion, three hundred seventy-five million, six hundred seventy-three thousand, sixty-five".