9425920540689 has 24 divisors (see below), whose sum is σ = 13724238982272. Its totient is φ = 6233744404800.

The previous prime is 9425920540639. The next prime is 9425920540709. The reversal of 9425920540689 is 9860450295249.

9425920540689 is a `hidden beast` number, since 9 + 4 + 2 + 5 + 9 + 2 + 0 + 540 + 6 + 89 = 666.

It is not a de Polignac number, because 9425920540689 - 2⁸ = 9425920540433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9425920540639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3782244 + ... + 5758229.

It is an arithmetic number, because the mean of its divisors is an integer number (571843290928).

Almost surely, 2^{9425920540689} is an apocalyptic number.

It is an amenable number.

9425920540689 is a deficient number, since it is larger than the sum of its proper divisors (4298318441583).

9425920540689 is a wasteful number, since it uses less digits than its factorization.

9425920540689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541357 (or 9541354 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 9425920540689 in words is "nine trillion, four hundred twenty-five billion, nine hundred twenty million, five hundred forty thousand, six hundred eighty-nine".