13775497229 has 4 divisors (see below), whose sum is σ = 14835150876. Its totient is φ = 12715843584.

The previous prime is 13775497213. The next prime is 13775497237. The reversal of 13775497229 is 92279457731.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3782496004 + 9993001225 = 61502^2 + 99965^2 .

It is a cyclic number.

It is not a de Polignac number, because 13775497229 - 2⁴ = 13775497213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775497529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529826804 + ... + 529826829.

It is an arithmetic number, because the mean of its divisors is an integer number (3708787719).

Almost surely, 2^13775497229 is an apocalyptic number.

It is an amenable number.

13775497229 is a deficient number, since it is larger than the sum of its proper divisors (1059653647).

13775497229 is a wasteful number, since it uses less digits than its factorization.

13775497229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059653646.

The product of its digits is 6667920, while the sum is 56.

The spelling of 13775497229 in words is "thirteen billion, seven hundred seventy-five million, four hundred ninety-seven thousand, two hundred twenty-nine".