13444541969 has 4 divisors (see below), whose sum is σ = 14029087296. Its totient is φ = 12859996644.

The previous prime is 13444541951. The next prime is 13444541983. The reversal of 13444541969 is 96914544431.

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 a de Polignac number, because none of the positive numbers 2^k-13444541969 is a prime.

It is a super-2 number, since 2×13444541969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13444541989) 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, 292272629 + ... + 292272674.

It is an arithmetic number, because the mean of its divisors is an integer number (3507271824).

Almost surely, 2^13444541969 is an apocalyptic number.

It is an amenable number.

13444541969 is a deficient number, since it is larger than the sum of its proper divisors (584545327).

13444541969 is an equidigital number, since it uses as much as digits as its factorization.

13444541969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584545326.

The product of its digits is 1866240, while the sum is 50.

The spelling of 13444541969 in words is "thirteen billion, four hundred forty-four million, five hundred forty-one thousand, nine hundred sixty-nine".