2113029173 has 2 divisors, whose sum is σ = 2113029174. Its totient is φ = 2113029172.

The previous prime is 2113029169. The next prime is 2113029187. The reversal of 2113029173 is 3719203112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077283684 + 1035745489 = 32822^2 + 32183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113029173 - 2² = 2113029169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113029133) 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, 1056514586 + 1056514587.

It is an arithmetic number, because the mean of its divisors is an integer number (1056514587).

Almost surely, 2^2113029173 is an apocalyptic number.

It is an amenable number.

2113029173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113029173 is an equidigital number, since it uses as much as digits as its factorization.

2113029173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2113029173 is about 45967.6970600007. The cubic root of 2113029173 is about 1283.2221014217. Note that the first 3 decimals are identical.

The spelling of 2113029173 in words is "two billion, one hundred thirteen million, twenty-nine thousand, one hundred seventy-three".