13144502433 has 4 divisors (see below), whose sum is σ = 17526003248. Its totient is φ = 8763001620.

The previous prime is 13144502431. The next prime is 13144502447. The reversal of 13144502433 is 33420544131.

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 not a de Polignac number, because 13144502433 - 2¹ = 13144502431 is a prime.

It is a super-2 number, since 2×13144502433² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13144502433.

It is not an unprimeable number, because it can be changed into a prime (13144502431) 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, 2190750403 + ... + 2190750408.

It is an arithmetic number, because the mean of its divisors is an integer number (4381500812).

Almost surely, 2^13144502433 is an apocalyptic number.

It is an amenable number.

13144502433 is a deficient number, since it is larger than the sum of its proper divisors (4381500815).

13144502433 is an equidigital number, since it uses as much as digits as its factorization.

13144502433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381500814.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 13144502433 in words is "thirteen billion, one hundred forty-four million, five hundred two thousand, four hundred thirty-three".