13501397269 has 4 divisors (see below), whose sum is σ = 13815383296. Its totient is φ = 13187411244.

The previous prime is 13501397257. The next prime is 13501397303. The reversal of 13501397269 is 96279310531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13501397269 - 2⁹ = 13501396757 is a prime.

It is a super-2 number, since 2×13501397269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13501397069) 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, 156992949 + ... + 156993034.

It is an arithmetic number, because the mean of its divisors is an integer number (3453845824).

Almost surely, 2^13501397269 is an apocalyptic number.

It is an amenable number.

13501397269 is a deficient number, since it is larger than the sum of its proper divisors (313986027).

13501397269 is an equidigital number, since it uses as much as digits as its factorization.

13501397269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313986026.

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 13501397269 in words is "thirteen billion, five hundred one million, three hundred ninety-seven thousand, two hundred sixty-nine".