2788518491643 has 54 divisors (see below), whose sum is σ = 3886395369948. Its totient is φ = 1778434025760.

The previous prime is 2788518491581. The next prime is 2788518491701. The reversal of 2788518491643 is 3461948158872.

It is not a de Polignac number, because 2788518491643 - 2²⁵ = 2788484937211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2788518491543) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7598142846 + ... + 7598143212.

Almost surely, 2^{2788518491643} is an apocalyptic number.

2788518491643 is a deficient number, since it is larger than the sum of its proper divisors (1097876878305).

2788518491643 is an frugal number, since it uses more digits than its factorization.

2788518491643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 478 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 66.

The spelling of 2788518491643 in words is "two trillion, seven hundred eighty-eight billion, five hundred eighteen million, four hundred ninety-one thousand, six hundred forty-three".