43331457541 has 2 divisors, whose sum is σ = 43331457542. Its totient is φ = 43331457540.

The previous prime is 43331457523. The next prime is 43331457557. The reversal of 43331457541 is 14575413334.

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., 42298092225 + 1033365316 = 205665^2 + 32146^2 .

It is a cyclic number.

It is not a de Polignac number, because 43331457541 - 2⁵ = 43331457509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43331457494 and 43331457503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43331457581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21665728770 + 21665728771.

It is an arithmetic number, because the mean of its divisors is an integer number (21665728771).

Almost surely, 2^43331457541 is an apocalyptic number.

It is an amenable number.

43331457541 is a deficient number, since it is larger than the sum of its proper divisors (1).

43331457541 is an equidigital number, since it uses as much as digits as its factorization.

43331457541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 40.

The spelling of 43331457541 in words is "forty-three billion, three hundred thirty-one million, four hundred fifty-seven thousand, five hundred forty-one".