5420543549 has 8 divisors (see below), whose sum is σ = 5577355608. Its totient is φ = 5264274240.

The previous prime is 5420543543. The next prime is 5420543567. The reversal of 5420543549 is 9453450245.

It can be written as a sum of positive squares in 4 ways, for example, as 272481049 + 5148062500 = 16507^2 + 71750^2 .

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 5420543549 - 2¹⁶ = 5420478013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420543543) 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, 115382 + ... + 155415.

It is an arithmetic number, because the mean of its divisors is an integer number (697169451).

Almost surely, 2^5420543549 is an apocalyptic number.

It is an amenable number.

5420543549 is a deficient number, since it is larger than the sum of its proper divisors (156812059).

5420543549 is a wasteful number, since it uses less digits than its factorization.

5420543549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271375.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 5420543549 is about 73624.3407372861. The cubic root of 5420543549 is about 1756.6326313227.

The spelling of 5420543549 in words is "five billion, four hundred twenty million, five hundred forty-three thousand, five hundred forty-nine".