263414271121 has 3 divisors (see below), whose sum is σ = 263414784361. Its totient is φ = 263413757882.

The previous prime is 263414271097. The next prime is 263414271137. The reversal of 263414271121 is 121172414362.

The square root of 263414271121 is 513239.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-263414271121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263414241121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 256620 + ... + 769858.

Almost surely, 2^263414271121 is an apocalyptic number.

263414271121 is the 513239-th square number.

263414271121 is the 256620-th centered octagonal number.

It is an amenable number.

263414271121 is a deficient number, since it is larger than the sum of its proper divisors (513240).

263414271121 is an frugal number, since it uses more digits than its factorization.

263414271121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026478 (or 513239 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

Adding to 263414271121 its reverse (121172414362), we get a palindrome (384586685483).

The spelling of 263414271121 in words is "two hundred sixty-three billion, four hundred fourteen million, two hundred seventy-one thousand, one hundred twenty-one".