5641872089 has 4 divisors (see below), whose sum is σ = 6447853824. Its totient is φ = 4835890356.

The previous prime is 5641872053. The next prime is 5641872107. The reversal of 5641872089 is 9802781465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9802781465 = 5 ⋅1960556293.

It is a cyclic number.

It is not a de Polignac number, because 5641872089 - 2¹² = 5641867993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5641875089) 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, 402990857 + ... + 402990870.

It is an arithmetic number, because the mean of its divisors is an integer number (1611963456).

Almost surely, 2^5641872089 is an apocalyptic number.

It is an amenable number.

5641872089 is a deficient number, since it is larger than the sum of its proper divisors (805981735).

5641872089 is an equidigital number, since it uses as much as digits as its factorization.

5641872089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805981734.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 5641872089 is about 75112.3963737012. The cubic root of 5641872089 is about 1780.2230172321.

The spelling of 5641872089 in words is "five billion, six hundred forty-one million, eight hundred seventy-two thousand, eighty-nine".