43042047001 has 2 divisors, whose sum is σ = 43042047002. Its totient is φ = 43042047000.

The previous prime is 43042046941. The next prime is 43042047017. The reversal of 43042047001 is 10074024034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29438323776 + 13603723225 = 171576^2 + 116635^2 .

It is a cyclic number.

It is not a de Polignac number, because 43042047001 - 2¹⁵ = 43042014233 is a prime.

It is not a weakly prime, because it can be changed into another prime (43042048001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21521023500 + 21521023501.

It is an arithmetic number, because the mean of its divisors is an integer number (21521023501).

Almost surely, 2^43042047001 is an apocalyptic number.

It is an amenable number.

43042047001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43042047001 is an equidigital number, since it uses as much as digits as its factorization.

43042047001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The spelling of 43042047001 in words is "forty-three billion, forty-two million, forty-seven thousand, one".