9425916864 has 840 divisors, whose sum is σ = 36445606560. Its totient is φ = 2354946048.

The previous prime is 9425916817. The next prime is 9425916889. The reversal of 9425916864 is 4686195249.

9425916864 is a `hidden beast` number, since 9 + 42 + 591 + 6 + 8 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 9425916864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 177847462 + ... + 177847514.

Almost surely, 2^9425916864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9425916864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18222803280).

9425916864 is an abundant number, since it is smaller than the sum of its proper divisors (27019689696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9425916864 is a wasteful number, since it uses less digits than its factorization.

9425916864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 107 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 9425916864 is about 97087.1611697448. The cubic root of 9425916864 is about 2112.3921017869.

The spelling of 9425916864 in words is "nine billion, four hundred twenty-five million, nine hundred sixteen thousand, eight hundred sixty-four".