43321162453 has 2 divisors, whose sum is σ = 43321162454. Its totient is φ = 43321162452.

The previous prime is 43321162403. The next prime is 43321162463. The reversal of 43321162453 is 35426112334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42657945444 + 663217009 = 206538^2 + 25753^2 .

It is a cyclic number.

It is not a de Polignac number, because 43321162453 - 2¹⁷ = 43321031381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43321162403) 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 as a sum of consecutive naturals, namely, 21660581226 + 21660581227.

It is an arithmetic number, because the mean of its divisors is an integer number (21660581227).

Almost surely, 2^43321162453 is an apocalyptic number.

It is an amenable number.

43321162453 is a deficient number, since it is larger than the sum of its proper divisors (1).

43321162453 is an equidigital number, since it uses as much as digits as its factorization.

43321162453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

Adding to 43321162453 its reverse (35426112334), we get a palindrome (78747274787).

The spelling of 43321162453 in words is "forty-three billion, three hundred twenty-one million, one hundred sixty-two thousand, four hundred fifty-three".