43253311441 has 16 divisors (see below), whose sum is σ = 44805685248. Its totient is φ = 41711014800.

The previous prime is 43253311433. The next prime is 43253311447. The reversal of 43253311441 is 14411335234.

It is a cyclic number.

It is not a de Polignac number, because 43253311441 - 2³ = 43253311433 is a prime.

It is a super-2 number, since 2×43253311441² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43253311447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16339180 + ... + 16341826.

It is an arithmetic number, because the mean of its divisors is an integer number (2800355328).

Almost surely, 2^43253311441 is an apocalyptic number.

It is an amenable number.

43253311441 is a deficient number, since it is larger than the sum of its proper divisors (1552373807).

43253311441 is a wasteful number, since it uses less digits than its factorization.

43253311441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its digits is 17280, while the sum is 31.

Adding to 43253311441 its reverse (14411335234), we get a palindrome (57664646675).

The spelling of 43253311441 in words is "forty-three billion, two hundred fifty-three million, three hundred eleven thousand, four hundred forty-one".