473523649 has 4 divisors (see below), whose sum is σ = 476980164. Its totient is φ = 470067136.

The previous prime is 473523641. The next prime is 473523671. The reversal of 473523649 is 946325374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 946325374 = 2 ⋅473162687.

It can be written as a sum of positive squares in 2 ways, for example, as 125440000 + 348083649 = 11200^2 + 18657^2 .

It is a cyclic number.

It is not a de Polignac number, because 473523649 - 2³ = 473523641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473523641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728052 + ... + 1728325.

It is an arithmetic number, because the mean of its divisors is an integer number (119245041).

Almost surely, 2^473523649 is an apocalyptic number.

It is an amenable number.

473523649 is a deficient number, since it is larger than the sum of its proper divisors (3456515).

473523649 is a wasteful number, since it uses less digits than its factorization.

473523649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456514.

The product of its digits is 544320, while the sum is 43.

The square root of 473523649 is about 21760.5985441577. The cubic root of 473523649 is about 779.4361742793.

The spelling of 473523649 in words is "four hundred seventy-three million, five hundred twenty-three thousand, six hundred forty-nine".