43144553353 has 4 divisors (see below), whose sum is σ = 47066785488. Its totient is φ = 39222321220.

The previous prime is 43144553329. The next prime is 43144553357. The reversal of 43144553353 is 35335544134.

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-43144553353 is a prime.

It is a super-2 number, since 2×43144553353² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43144553357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961116051 + ... + 1961116072.

It is an arithmetic number, because the mean of its divisors is an integer number (11766696372).

Almost surely, 2^43144553353 is an apocalyptic number.

It is an amenable number.

43144553353 is a deficient number, since it is larger than the sum of its proper divisors (3922232135).

43144553353 is a wasteful number, since it uses less digits than its factorization.

43144553353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922232134.

The product of its digits is 648000, while the sum is 40.

The spelling of 43144553353 in words is "forty-three billion, one hundred forty-four million, five hundred fifty-three thousand, three hundred fifty-three".