5641988973 has 8 divisors (see below), whose sum is σ = 7539408000. Its totient is φ = 3752947968.

The previous prime is 5641988921. The next prime is 5641988999. The reversal of 5641988973 is 3798891465.

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

It is not a de Polignac number, because 5641988973 - 2⁸ = 5641988717 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641908973) 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 7 ways as a sum of consecutive naturals, for example, 2092933 + ... + 2095626.

It is an arithmetic number, because the mean of its divisors is an integer number (942426000).

Almost surely, 2^5641988973 is an apocalyptic number.

It is an amenable number.

5641988973 is a deficient number, since it is larger than the sum of its proper divisors (1897419027).

5641988973 is a wasteful number, since it uses less digits than its factorization.

5641988973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189011.

The product of its digits is 13063680, while the sum is 60.

The square root of 5641988973 is about 75113.1744303221. The cubic root of 5641988973 is about 1780.2353109145.

The spelling of 5641988973 in words is "five billion, six hundred forty-one million, nine hundred eighty-eight thousand, nine hundred seventy-three".