263343342371253 has 16 divisors (see below), whose sum is σ = 353386997322240. Its totient is φ = 174431618828784.

The previous prime is 263343342371251. The next prime is 263343342371269. The reversal of 263343342371253 is 352173243343362.

It is not a de Polignac number, because 263343342371253 - 2¹ = 263343342371251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263343342371196 and 263343342371205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263343342371251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81029001 + ... + 84216302.

It is an arithmetic number, because the mean of its divisors is an integer number (22086687332640).

Almost surely, 2^{263343342371253} is an apocalyptic number.

It is an amenable number.

263343342371253 is a deficient number, since it is larger than the sum of its proper divisors (90043654950987).

263343342371253 is a wasteful number, since it uses less digits than its factorization.

263343342371253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165248728.

The product of its digits is 19595520, while the sum is 51.

The spelling of 263343342371253 in words is "two hundred sixty-three trillion, three hundred forty-three billion, three hundred forty-two million, three hundred seventy-one thousand, two hundred fifty-three".