473442643 has 2 divisors, whose sum is σ = 473442644. Its totient is φ = 473442642.

The previous prime is 473442577. The next prime is 473442647. The reversal of 473442643 is 346244374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 473442643 - 2⁹ = 473442131 is a prime.

It is not a weakly prime, because it can be changed into another prime (473442647) 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, 236721321 + 236721322.

It is an arithmetic number, because the mean of its divisors is an integer number (236721322).

Almost surely, 2^473442643 is an apocalyptic number.

473442643 is a deficient number, since it is larger than the sum of its proper divisors (1).

473442643 is an equidigital number, since it uses as much as digits as its factorization.

473442643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 37.

The square root of 473442643 is about 21758.7371646426. The cubic root of 473442643 is about 779.3917255260.

Subtracting from 473442643 its sum of digits (37), we obtain a triangular number (473442606 = T₃₀₇₇₁).

The spelling of 473442643 in words is "four hundred seventy-three million, four hundred forty-two thousand, six hundred forty-three".