43050513973 has 2 divisors, whose sum is σ = 43050513974. Its totient is φ = 43050513972.

The previous prime is 43050513931. The next prime is 43050514021. The reversal of 43050513973 is 37931505034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42385750884 + 664763089 = 205878^2 + 25783^2 .

It is a cyclic number.

It is not a de Polignac number, because 43050513973 - 2⁹ = 43050513461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43050513923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21525256986 + 21525256987.

It is an arithmetic number, because the mean of its divisors is an integer number (21525256987).

Almost surely, 2^43050513973 is an apocalyptic number.

It is an amenable number.

43050513973 is a deficient number, since it is larger than the sum of its proper divisors (1).

43050513973 is an equidigital number, since it uses as much as digits as its factorization.

43050513973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 43050513973 in words is "forty-three billion, fifty million, five hundred thirteen thousand, nine hundred seventy-three".