2152904473 has 2 divisors, whose sum is σ = 2152904474. Its totient is φ = 2152904472.

The previous prime is 2152904471. The next prime is 2152904477. The reversal of 2152904473 is 3744092512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120374784 + 1032529689 = 33472^2 + 32133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152904473 - 2¹ = 2152904471 is a prime.

Together with 2152904471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2152904471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076452236 + 1076452237.

It is an arithmetic number, because the mean of its divisors is an integer number (1076452237).

Almost surely, 2^2152904473 is an apocalyptic number.

It is an amenable number.

2152904473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152904473 is an equidigital number, since it uses as much as digits as its factorization.

2152904473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2152904473 is about 46399.4016448488. The cubic root of 2152904473 is about 1291.2438122547.

Adding to 2152904473 its reverse (3744092512), we get a palindrome (5896996985).

The spelling of 2152904473 in words is "two billion, one hundred fifty-two million, nine hundred four thousand, four hundred seventy-three".