2788689429971 has 2 divisors, whose sum is σ = 2788689429972. Its totient is φ = 2788689429970.

The previous prime is 2788689429859. The next prime is 2788689429997. The reversal of 2788689429971 is 1799249868872.

2788689429971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2788689429971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2788689425971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394344714985 + 1394344714986.

It is an arithmetic number, because the mean of its divisors is an integer number (1394344714986).

Almost surely, 2^{2788689429971} is an apocalyptic number.

2788689429971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788689429971 is an equidigital number, since it uses as much as digits as its factorization.

2788689429971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1755758592, while the sum is 80.

The spelling of 2788689429971 in words is "two trillion, seven hundred eighty-eight billion, six hundred eighty-nine million, four hundred twenty-nine thousand, nine hundred seventy-one".