4925851537664 has 72 divisors (see below), whose sum is σ = 9978882238080. Its totient is φ = 2426510041088.

The previous prime is 4925851537639. The next prime is 4925851537693. The reversal of 4925851537664 is 4667351585294.

It is a super-2 number, since 2×4925851537664² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4925851537664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4321157 + ... + 5340795.

It is an arithmetic number, because the mean of its divisors is an integer number (138595586640).

Almost surely, 2^{4925851537664} 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 4925851537664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4989441119040).

4925851537664 is an abundant number, since it is smaller than the sum of its proper divisors (5053030700416).

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

4925851537664 is a wasteful number, since it uses less digits than its factorization.

4925851537664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019935 (or 1019921 counting only the distinct ones).

The product of its digits is 217728000, while the sum is 65.

The spelling of 4925851537664 in words is "four trillion, nine hundred twenty-five billion, eight hundred fifty-one million, five hundred thirty-seven thousand, six hundred sixty-four".