263453315321314 has 4 divisors (see below), whose sum is σ = 395179972981974. Its totient is φ = 131726657660656.

The previous prime is 263453315321309. The next prime is 263453315321323. The reversal of 263453315321314 is 413123513354362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 249026862942225 + 14426452379089 = 15780585^2 + 3798217^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 65863328830327 + ... + 65863328830330.

Almost surely, 2^{263453315321314} is an apocalyptic number.

263453315321314 is a deficient number, since it is larger than the sum of its proper divisors (131726657660660).

263453315321314 is a wasteful number, since it uses less digits than its factorization.

263453315321314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131726657660659.

The product of its digits is 2332800, while the sum is 46.

Adding to 263453315321314 its reverse (413123513354362), we get a palindrome (676576828675676).

The spelling of 263453315321314 in words is "two hundred sixty-three trillion, four hundred fifty-three billion, three hundred fifteen million, three hundred twenty-one thousand, three hundred fourteen".