473640919 has 2 divisors, whose sum is σ = 473640920. Its totient is φ = 473640918.

The previous prime is 473640907. The next prime is 473640931. The reversal of 473640919 is 919046374.

It is a balanced prime because it is at equal distance from previous prime (473640907) and next prime (473640931).

It is a cyclic number.

It is not a de Polignac number, because 473640919 - 2⁵ = 473640887 is a prime.

It is a super-2 number, since 2×473640919² = 448671440302329122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473640989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236820459 + 236820460.

It is an arithmetic number, because the mean of its divisors is an integer number (236820460).

Almost surely, 2^473640919 is an apocalyptic number.

473640919 is a deficient number, since it is larger than the sum of its proper divisors (1).

473640919 is an equidigital number, since it uses as much as digits as its factorization.

473640919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 473640919 is about 21763.2929263933. The cubic root of 473640919 is about 779.5005124497.

The spelling of 473640919 in words is "four hundred seventy-three million, six hundred forty thousand, nine hundred nineteen".