263473253760765 has 16 divisors (see below), whose sum is σ = 427849104616128. Its totient is φ = 138421769139456.

The previous prime is 263473253760721. The next prime is 263473253760817. The reversal of 263473253760765 is 567067352374362.

It is a happy number.

It is not a de Polignac number, because 263473253760765 - 2⁶ = 263473253760701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263473253760696 and 263473253760705.

It is a congruent number.

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, 131081219772 + ... + 131081221781.

It is an arithmetic number, because the mean of its divisors is an integer number (26740569038508).

Almost surely, 2^{263473253760765} is an apocalyptic number.

It is an amenable number.

263473253760765 is a deficient number, since it is larger than the sum of its proper divisors (164375850855363).

263473253760765 is a wasteful number, since it uses less digits than its factorization.

263473253760765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262162441628.

The product of its (nonzero) digits is 800150400, while the sum is 66.

The spelling of 263473253760765 in words is "two hundred sixty-three trillion, four hundred seventy-three billion, two hundred fifty-three million, seven hundred sixty thousand, seven hundred sixty-five".