8541909250497 has 24 divisors (see below), whose sum is σ = 14101006832640. Its totient is φ = 4881064250880.

The previous prime is 8541909250471. The next prime is 8541909250531. The reversal of 8541909250497 is 7940529091458.

8541909250497 is a `hidden beast` number, since 8 + 5 + 4 + 1 + 9 + 0 + 92 + 50 + 497 = 666.

It is not a de Polignac number, because 8541909250497 - 2¹⁴ = 8541909234113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8541909250417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20082529 + ... + 20503457.

It is an arithmetic number, because the mean of its divisors is an integer number (587541951360).

Almost surely, 2^{8541909250497} is an apocalyptic number.

It is an amenable number.

8541909250497 is a deficient number, since it is larger than the sum of its proper divisors (5559097582143).

8541909250497 is a wasteful number, since it uses less digits than its factorization.

8541909250497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743053 (or 743050 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 8541909250497 in words is "eight trillion, five hundred forty-one billion, nine hundred nine million, two hundred fifty thousand, four hundred ninety-seven".