43604239072969 has 2 divisors, whose sum is σ = 43604239072970. Its totient is φ = 43604239072968.

The previous prime is 43604239072951. The next prime is 43604239072973. The reversal of 43604239072969 is 96927093240634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27786477178944 + 15817761894025 = 5271288^2 + 3977155^2 .

It is a cyclic number.

It is not a de Polignac number, because 43604239072969 - 2⁵ = 43604239072937 is a prime.

It is a super-2 number, since 2×43604239072969² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43604239072969.

It is not a weakly prime, because it can be changed into another prime (43604239078969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21802119536484 + 21802119536485.

It is an arithmetic number, because the mean of its divisors is an integer number (21802119536485).

Almost surely, 2^{43604239072969} is an apocalyptic number.

It is an amenable number.

43604239072969 is a deficient number, since it is larger than the sum of its proper divisors (1).

43604239072969 is an equidigital number, since it uses as much as digits as its factorization.

43604239072969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 64.

The spelling of 43604239072969 in words is "forty-three trillion, six hundred four billion, two hundred thirty-nine million, seventy-two thousand, nine hundred sixty-nine".