4249553633 has 4 divisors (see below), whose sum is σ = 4576442388. Its totient is φ = 3922664880.

The previous prime is 4249553629. The next prime is 4249553641. The reversal of 4249553633 is 3363559424.

It is a happy number.

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 167365969 + 4082187664 = 12937^2 + 63892^2 .

It is a cyclic number.

It is not a de Polignac number, because 4249553633 - 2² = 4249553629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4249553653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163444358 + ... + 163444383.

It is an arithmetic number, because the mean of its divisors is an integer number (1144110597).

Almost surely, 2^4249553633 is an apocalyptic number.

It is an amenable number.

4249553633 is a deficient number, since it is larger than the sum of its proper divisors (326888755).

4249553633 is a wasteful number, since it uses less digits than its factorization.

4249553633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326888754.

The product of its digits is 1166400, while the sum is 44.

The square root of 4249553633 is about 65188.6004835201. The cubic root of 4249553633 is about 1619.7491905827.

The spelling of 4249553633 in words is "four billion, two hundred forty-nine million, five hundred fifty-three thousand, six hundred thirty-three".