2493837529856 has 72 divisors (see below), whose sum is σ = 4999384843824. Its totient is φ = 1241555927040.

The previous prime is 2493837529819. The next prime is 2493837529927. The reversal of 2493837529856 is 6589257383942.

It is a self number, because there is not a number n which added to its sum of digits gives 2493837529856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62424320 + ... + 62464256.

Almost surely, 2^{2493837529856} 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 2493837529856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499692421912).

2493837529856 is an abundant number, since it is smaller than the sum of its proper divisors (2505547313968).

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

2493837529856 is an equidigital number, since it uses as much as digits as its factorization.

2493837529856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40997 (or 40983 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 71.

The spelling of 2493837529856 in words is "two trillion, four hundred ninety-three billion, eight hundred thirty-seven million, five hundred twenty-nine thousand, eight hundred fifty-six".