8545918549 has 12 divisors (see below), whose sum is σ = 10037692704. Its totient is φ = 7253951544.

The previous prime is 8545918523. The next prime is 8545918559. The reversal of 8545918549 is 9458195458.

It is not a de Polignac number, because 8545918549 - 2⁷ = 8545918421 is a prime.

It is a super-2 number, since 2×8545918549² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8545918493 and 8545918502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8545918559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841587 + ... + 851680.

It is an arithmetic number, because the mean of its divisors is an integer number (836474392).

Almost surely, 2^8545918549 is an apocalyptic number.

It is an amenable number.

8545918549 is a deficient number, since it is larger than the sum of its proper divisors (1491774155).

8545918549 is a wasteful number, since it uses less digits than its factorization.

8545918549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693384 (or 1693377 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 58.

The square root of 8545918549 is about 92444.1374506788. The cubic root of 8545918549 is about 2044.4959272354.

The spelling of 8545918549 in words is "eight billion, five hundred forty-five million, nine hundred eighteen thousand, five hundred forty-nine".