13214650261 has 4 divisors (see below), whose sum is σ = 13214880172. Its totient is φ = 13214420352.

The previous prime is 13214650249. The next prime is 13214650289. The reversal of 13214650261 is 16205641231.

It is a happy 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 can be written as a sum of positive squares in 2 ways, for example, as 4018799236 + 9195851025 = 63394^2 + 95895^2 .

It is a cyclic number.

It is not a de Polignac number, because 13214650261 - 2⁷ = 13214650133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214650231) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 57415 + ... + 172411.

It is an arithmetic number, because the mean of its divisors is an integer number (3303720043).

Almost surely, 2^13214650261 is an apocalyptic number.

It is an amenable number.

13214650261 is a deficient number, since it is larger than the sum of its proper divisors (229911).

13214650261 is a wasteful number, since it uses less digits than its factorization.

13214650261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229910.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 13214650261 in words is "thirteen billion, two hundred fourteen million, six hundred fifty thousand, two hundred sixty-one".