8541551459 has 8 divisors (see below), whose sum is σ = 9762405120. Its totient is φ = 7320855816.

The previous prime is 8541551449. The next prime is 8541551503. The reversal of 8541551459 is 9541551458.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8541551459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8541551419) 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, 118442 + ... + 176384.

It is an arithmetic number, because the mean of its divisors is an integer number (1220300640).

Almost surely, 2^8541551459 is an apocalyptic number.

8541551459 is a deficient number, since it is larger than the sum of its proper divisors (1220853661).

8541551459 is a wasteful number, since it uses less digits than its factorization.

8541551459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79009.

The product of its digits is 720000, while the sum is 47.

The square root of 8541551459 is about 92420.5142757819. The cubic root of 8541551459 is about 2044.1476120733.

Subtracting 8541551459 from its reverse (9541551458), we obtain a palindrome (999999999).

The spelling of 8541551459 in words is "eight billion, five hundred forty-one million, five hundred fifty-one thousand, four hundred fifty-nine".