43364404873 has 2 divisors, whose sum is σ = 43364404874. Its totient is φ = 43364404872.

The previous prime is 43364404871. The next prime is 43364404931. The reversal of 43364404873 is 37840446334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29748315529 + 13616089344 = 172477^2 + 116688^2 .

It is a cyclic number.

It is not a de Polignac number, because 43364404873 - 2¹ = 43364404871 is a prime.

It is a super-2 number, since 2×43364404873² (a number of 22 digits) contains 22 as substring.

Together with 43364404871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43364404871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21682202436 + 21682202437.

It is an arithmetic number, because the mean of its divisors is an integer number (21682202437).

Almost surely, 2^43364404873 is an apocalyptic number.

It is an amenable number.

43364404873 is a deficient number, since it is larger than the sum of its proper divisors (1).

43364404873 is an equidigital number, since it uses as much as digits as its factorization.

43364404873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 46.

The spelling of 43364404873 in words is "forty-three billion, three hundred sixty-four million, four hundred four thousand, eight hundred seventy-three".