5448418561 has 4 divisors (see below), whose sum is σ = 5453884372. Its totient is φ = 5442952752.

The previous prime is 5448418541. The next prime is 5448418567. The reversal of 5448418561 is 1658148445.

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 2044396225 + 3404022336 = 45215^2 + 58344^2 .

It is a cyclic number.

It is not a de Polignac number, because 5448418561 - 2¹³ = 5448410369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5448418567) 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, 2731410 + ... + 2733403.

It is an arithmetic number, because the mean of its divisors is an integer number (1363471093).

Almost surely, 2^5448418561 is an apocalyptic number.

It is an amenable number.

5448418561 is a deficient number, since it is larger than the sum of its proper divisors (5465811).

5448418561 is an equidigital number, since it uses as much as digits as its factorization.

5448418561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465810.

The product of its digits is 614400, while the sum is 46.

The square root of 5448418561 is about 73813.4036676267. The cubic root of 5448418561 is about 1759.6386311494.

The spelling of 5448418561 in words is "five billion, four hundred forty-eight million, four hundred eighteen thousand, five hundred sixty-one".