8541050643 has 16 divisors (see below), whose sum is σ = 12713385600. Its totient is φ = 5667044040.

The previous prime is 8541050633. The next prime is 8541050657. The reversal of 8541050643 is 3460501458.

It is a happy number.

8541050643 is a `hidden beast` number, since 8 + 5 + 4 + 1 + 0 + 5 + 0 + 643 = 666.

It is not a de Polignac number, because 8541050643 - 2⁴ = 8541050627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8541050598 and 8541050607.

It is not an unprimeable number, because it can be changed into a prime (8541050633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743913 + ... + 755306.

It is an arithmetic number, because the mean of its divisors is an integer number (794586600).

Almost surely, 2^8541050643 is an apocalyptic number.

8541050643 is a deficient number, since it is larger than the sum of its proper divisors (4172334957).

8541050643 is a wasteful number, since it uses less digits than its factorization.

8541050643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499439 (or 1499433 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 8541050643 is about 92417.8047943144. The cubic root of 8541050643 is about 2044.1076598528.

The spelling of 8541050643 in words is "eight billion, five hundred forty-one million, fifty thousand, six hundred forty-three".