1894500473 has 2 divisors, whose sum is σ = 1894500474. Its totient is φ = 1894500472.

The previous prime is 1894500467. The next prime is 1894500479. The reversal of 1894500473 is 3740054981.

It is a balanced prime because it is at equal distance from previous prime (1894500467) and next prime (1894500479).

It can be written as a sum of positive squares in only one way, i.e., 1581811984 + 312688489 = 39772^2 + 17683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1894500473 - 2⁴ = 1894500457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1894500473.

It is not a weakly prime, because it can be changed into another prime (1894500479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947250236 + 947250237.

It is an arithmetic number, because the mean of its divisors is an integer number (947250237).

Almost surely, 2^1894500473 is an apocalyptic number.

It is an amenable number.

1894500473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894500473 is an equidigital number, since it uses as much as digits as its factorization.

1894500473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1894500473 is about 43525.8598191925. The cubic root of 1894500473 is about 1237.3661735770.

The spelling of 1894500473 in words is "one billion, eight hundred ninety-four million, five hundred thousand, four hundred seventy-three".