8624220049 has 4 divisors (see below), whose sum is σ = 8786941236. Its totient is φ = 8461498864.

The previous prime is 8624220043. The next prime is 8624220067. The reversal of 8624220049 is 9400224268.

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 6772467025 + 1851753024 = 82295^2 + 43032^2 .

It is a cyclic number.

It is not a de Polignac number, because 8624220049 - 2⁹ = 8624219537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8624220043) 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, 81360514 + ... + 81360619.

It is an arithmetic number, because the mean of its divisors is an integer number (2196735309).

Almost surely, 2^8624220049 is an apocalyptic number.

It is an amenable number.

8624220049 is a deficient number, since it is larger than the sum of its proper divisors (162721187).

8624220049 is a wasteful number, since it uses less digits than its factorization.

8624220049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162721186.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 8624220049 is about 92866.6788950698. The cubic root of 8624220049 is about 2050.7211461675.

The spelling of 8624220049 in words is "eight billion, six hundred twenty-four million, two hundred twenty thousand, forty-nine".