263141681252 has 6 divisors (see below), whose sum is σ = 460497942198. Its totient is φ = 131570840624.

The previous prime is 263141681239. The next prime is 263141681333. The reversal of 263141681252 is 252186141362.

263141681252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 176615105536 + 86526575716 = 420256^2 + 294154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32892710153 + ... + 32892710160.

It is an arithmetic number, because the mean of its divisors is an integer number (76749657033).

Almost surely, 2^263141681252 is an apocalyptic number.

It is an amenable number.

263141681252 is a deficient number, since it is larger than the sum of its proper divisors (197356260946).

263141681252 is a wasteful number, since it uses less digits than its factorization.

263141681252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65785420317 (or 65785420315 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The spelling of 263141681252 in words is "two hundred sixty-three billion, one hundred forty-one million, six hundred eighty-one thousand, two hundred fifty-two".