43620053453 has 12 divisors (see below), whose sum is σ = 46047835260. Its totient is φ = 41314245696.

The previous prime is 43620053443. The next prime is 43620053471. The reversal of 43620053453 is 35435002634.

It can be written as a sum of positive squares in 2 ways, for example, as 18912300484 + 24707752969 = 137522^2 + 157187^2 .

It is not a de Polignac number, because 43620053453 - 2⁴ = 43620053437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43620053443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1781651 + ... + 1805967.

It is an arithmetic number, because the mean of its divisors is an integer number (3837319605).

Almost surely, 2^43620053453 is an apocalyptic number.

It is an amenable number.

43620053453 is a deficient number, since it is larger than the sum of its proper divisors (2427781807).

43620053453 is a wasteful number, since it uses less digits than its factorization.

43620053453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29324 (or 29305 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 43620053453 in words is "forty-three billion, six hundred twenty million, fifty-three thousand, four hundred fifty-three".