2100177047 has 2 divisors, whose sum is σ = 2100177048. Its totient is φ = 2100177046.

The previous prime is 2100176959. The next prime is 2100177049. The reversal of 2100177047 is 7407710012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100177047 - 2⁸ = 2100176791 is a prime.

Together with 2100177049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100177049) by changing a digit.

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 as a sum of consecutive naturals, namely, 1050088523 + 1050088524.

It is an arithmetic number, because the mean of its divisors is an integer number (1050088524).

Almost surely, 2^2100177047 is an apocalyptic number.

2100177047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100177047 is an equidigital number, since it uses as much as digits as its factorization.

2100177047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 2100177047 is about 45827.6886499854. The cubic root of 2100177047 is about 1280.6151517063.

Adding to 2100177047 its reverse (7407710012), we get a palindrome (9507887059).

The spelling of 2100177047 in words is "two billion, one hundred million, one hundred seventy-seven thousand, forty-seven".