2212473589729 has 8 divisors (see below), whose sum is σ = 2391265544360. Its totient is φ = 2034910446336.

The previous prime is 2212473589727. The next prime is 2212473589793. The reversal of 2212473589729 is 9279853742122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70890127504 + 2141583462225 = 266252^2 + 1463415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2212473589729 - 2¹ = 2212473589727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212473589727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307199064 + ... + 307206265.

It is an arithmetic number, because the mean of its divisors is an integer number (298908193045).

Almost surely, 2^{2212473589729} is an apocalyptic number.

It is an amenable number.

2212473589729 is a deficient number, since it is larger than the sum of its proper divisors (178791954631).

2212473589729 is a wasteful number, since it uses less digits than its factorization.

2212473589729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614405619.

The product of its digits is 30481920, while the sum is 61.

The spelling of 2212473589729 in words is "two trillion, two hundred twelve billion, four hundred seventy-three million, five hundred eighty-nine thousand, seven hundred twenty-nine".