210516045499 has 2 divisors, whose sum is σ = 210516045500. Its totient is φ = 210516045498.

The previous prime is 210516045497. The next prime is 210516045557. The reversal of 210516045499 is 994540615012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210516045499 - 2¹ = 210516045497 is a prime.

Together with 210516045497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (210516045491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105258022749 + 105258022750.

It is an arithmetic number, because the mean of its divisors is an integer number (105258022750).

Almost surely, 2^210516045499 is an apocalyptic number.

210516045499 is a deficient number, since it is larger than the sum of its proper divisors (1).

210516045499 is an equidigital number, since it uses as much as digits as its factorization.

210516045499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 210516045499 in words is "two hundred ten billion, five hundred sixteen million, forty-five thousand, four hundred ninety-nine".