473931149 has 2 divisors, whose sum is σ = 473931150. Its totient is φ = 473931148.

The previous prime is 473931097. The next prime is 473931163. The reversal of 473931149 is 941139374.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470109124 + 3822025 = 21682^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 473931149 - 2²⁰ = 472882573 is a prime.

It is a super-2 number, since 2×473931149² = 449221467984920402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473931449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236965574 + 236965575.

It is an arithmetic number, because the mean of its divisors is an integer number (236965575).

Almost surely, 2^473931149 is an apocalyptic number.

It is an amenable number.

473931149 is a deficient number, since it is larger than the sum of its proper divisors (1).

473931149 is an equidigital number, since it uses as much as digits as its factorization.

473931149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 473931149 is about 21769.9597840694. The cubic root of 473931149 is about 779.6596965003.

Subtracting 473931149 from its reverse (941139374), we obtain a square (467208225 = 21615²).

The spelling of 473931149 in words is "four hundred seventy-three million, nine hundred thirty-one thousand, one hundred forty-nine".