5441236561 has 8 divisors (see below), whose sum is σ = 5532909984. Its totient is φ = 5350185120.

The previous prime is 5441236553. The next prime is 5441236571. The reversal of 5441236561 is 1656321445.

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

It is a cyclic number.

It is not a de Polignac number, because 5441236561 - 2³ = 5441236553 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 5441236561.

It is not an unprimeable number, because it can be changed into a prime (5441236531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137836 + ... + 172861.

It is an arithmetic number, because the mean of its divisors is an integer number (691613748).

Almost surely, 2^5441236561 is an apocalyptic number.

It is an amenable number.

5441236561 is a deficient number, since it is larger than the sum of its proper divisors (91673423).

5441236561 is a wasteful number, since it uses less digits than its factorization.

5441236561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310991.

The product of its digits is 86400, while the sum is 37.

The square root of 5441236561 is about 73764.7379240244. The cubic root of 5441236561 is about 1758.8651172994.

The spelling of 5441236561 in words is "five billion, four hundred forty-one million, two hundred thirty-six thousand, five hundred sixty-one".