2493455217728 has 14 divisors (see below), whose sum is σ = 4947950197806. Its totient is φ = 1246727608832.

The previous prime is 2493455217691. The next prime is 2493455217829. The reversal of 2493455217728 is 8277125543942.

It can be written as a sum of positive squares in only one way, i.e., 1500546601024 + 992908616704 = 1224968^2 + 996448^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19480118825 + ... + 19480118952.

It is an arithmetic number, because the mean of its divisors is an integer number (353425014129).

Almost surely, 2^{2493455217728} is an apocalyptic number.

It is an amenable number.

2493455217728 is a deficient number, since it is larger than the sum of its proper divisors (2454494980078).

2493455217728 is an equidigital number, since it uses as much as digits as its factorization.

2493455217728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38960237789 (or 38960237779 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 59.

The spelling of 2493455217728 in words is "two trillion, four hundred ninety-three billion, four hundred fifty-five million, two hundred seventeen thousand, seven hundred twenty-eight".