5641621617 has 8 divisors (see below), whose sum is σ = 7524504640. Its totient is φ = 3759909840.

The previous prime is 5641621613. The next prime is 5641621619. The reversal of 5641621617 is 7161261465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5641621617 - 2² = 5641621613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5641621613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281509 + ... + 300882.

It is an arithmetic number, because the mean of its divisors is an integer number (940563080).

Almost surely, 2^5641621617 is an apocalyptic number.

It is an amenable number.

5641621617 is a deficient number, since it is larger than the sum of its proper divisors (1882883023).

5641621617 is a wasteful number, since it uses less digits than its factorization.

5641621617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585623.

The product of its digits is 60480, while the sum is 39.

The square root of 5641621617 is about 75110.7290405306. The cubic root of 5641621617 is about 1780.1966723942.

The spelling of 5641621617 in words is "five billion, six hundred forty-one million, six hundred twenty-one thousand, six hundred seventeen".