8541428744 has 8 divisors (see below), whose sum is σ = 16015178910. Its totient is φ = 4270714368.

The previous prime is 8541428699. The next prime is 8541428767. The reversal of 8541428744 is 4478241458.

It can be written as a sum of positive squares in only one way, i.e., 4373176900 + 4168251844 = 66130^2 + 64562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533839289 + ... + 533839304.

Almost surely, 2^8541428744 is an apocalyptic number.

It is an amenable number.

8541428744 is a deficient number, since it is larger than the sum of its proper divisors (7473750166).

8541428744 is a wasteful number, since it uses less digits than its factorization.

8541428744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067678599 (or 1067678595 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 47.

The square root of 8541428744 is about 92419.8503785848. The cubic root of 8541428744 is about 2044.1378227207.

The spelling of 8541428744 in words is "eight billion, five hundred forty-one million, four hundred twenty-eight thousand, seven hundred forty-four".