473948149 has 2 divisors, whose sum is σ = 473948150. Its totient is φ = 473948148.

The previous prime is 473948147. The next prime is 473948173. The reversal of 473948149 is 941849374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323100625 + 150847524 = 17975^2 + 12282^2 .

It is a cyclic number.

It is not a de Polignac number, because 473948149 - 2¹ = 473948147 is a prime.

Together with 473948147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473948147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236974074 + 236974075.

It is an arithmetic number, because the mean of its divisors is an integer number (236974075).

Almost surely, 2^473948149 is an apocalyptic number.

It is an amenable number.

473948149 is a deficient number, since it is larger than the sum of its proper divisors (1).

473948149 is an equidigital number, since it uses as much as digits as its factorization.

473948149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 473948149 is about 21770.3502268567. The cubic root of 473948149 is about 779.6690185691.

The spelling of 473948149 in words is "four hundred seventy-three million, nine hundred forty-eight thousand, one hundred forty-nine".