6361220633 has 4 divisors (see below), whose sum is σ = 6735410100. Its totient is φ = 5987031168.

The previous prime is 6361220623. The next prime is 6361220659. The reversal of 6361220633 is 3360221636.

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 4533059584 + 1828161049 = 67328^2 + 42757^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6361220633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6361220633.

It is not an unprimeable number, because it can be changed into a prime (6361220623) 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, 187094708 + ... + 187094741.

It is an arithmetic number, because the mean of its divisors is an integer number (1683852525).

Almost surely, 2^6361220633 is an apocalyptic number.

It is an amenable number.

6361220633 is a deficient number, since it is larger than the sum of its proper divisors (374189467).

6361220633 is a wasteful number, since it uses less digits than its factorization.

6361220633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374189466.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 6361220633 is about 79757.2606914255. The cubic root of 6361220633 is about 1852.8779780722.

The spelling of 6361220633 in words is "six billion, three hundred sixty-one million, two hundred twenty thousand, six hundred thirty-three".