2152343664473 has 2 divisors, whose sum is σ = 2152343664474. Its totient is φ = 2152343664472.

The previous prime is 2152343664469. The next prime is 2152343664577. The reversal of 2152343664473 is 3744663432512.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1927090910809 + 225252753664 = 1388197^2 + 474608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152343664473 - 2² = 2152343664469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2152343664403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076171832236 + 1076171832237.

It is an arithmetic number, because the mean of its divisors is an integer number (1076171832237).

Almost surely, 2^{2152343664473} is an apocalyptic number.

It is an amenable number.

2152343664473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152343664473 is an equidigital number, since it uses as much as digits as its factorization.

2152343664473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 50.

The spelling of 2152343664473 in words is "two trillion, one hundred fifty-two billion, three hundred forty-three million, six hundred sixty-four thousand, four hundred seventy-three".