4573471649 has 4 divisors (see below), whose sum is σ = 4685019780. Its totient is φ = 4461923520.

The previous prime is 4573471621. The next prime is 4573471663. The reversal of 4573471649 is 9461743754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1810077025 + 2763394624 = 42545^2 + 52568^2 .

It is a cyclic number.

It is not a de Polignac number, because 4573471649 - 2¹² = 4573467553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4573471597 and 4573471606.

It is not an unprimeable number, because it can be changed into a prime (4573471249) 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 in 3 ways as a sum of consecutive naturals, for example, 55774004 + ... + 55774085.

It is an arithmetic number, because the mean of its divisors is an integer number (1171254945).

Almost surely, 2^4573471649 is an apocalyptic number.

It is an amenable number.

4573471649 is a deficient number, since it is larger than the sum of its proper divisors (111548131).

4573471649 is a wasteful number, since it uses less digits than its factorization.

4573471649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111548130.

The product of its digits is 2540160, while the sum is 50.

The square root of 4573471649 is about 67627.4474529388. The cubic root of 4573471649 is about 1659.9002757385.

The spelling of 4573471649 in words is "four billion, five hundred seventy-three million, four hundred seventy-one thousand, six hundred forty-nine".