43464573073 has 2 divisors, whose sum is σ = 43464573074. Its totient is φ = 43464573072.

The previous prime is 43464573043. The next prime is 43464573083. The reversal of 43464573073 is 37037546434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42676535889 + 788037184 = 206583^2 + 28072^2 .

It is a cyclic number.

It is not a de Polignac number, because 43464573073 - 2⁹ = 43464572561 is a prime.

It is a super-2 number, since 2×43464573073² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43464573043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21732286536 + 21732286537.

It is an arithmetic number, because the mean of its divisors is an integer number (21732286537).

Almost surely, 2^43464573073 is an apocalyptic number.

It is an amenable number.

43464573073 is a deficient number, since it is larger than the sum of its proper divisors (1).

43464573073 is an equidigital number, since it uses as much as digits as its factorization.

43464573073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 46.

The spelling of 43464573073 in words is "forty-three billion, four hundred sixty-four million, five hundred seventy-three thousand, seventy-three".