210132707947 has 2 divisors, whose sum is σ = 210132707948. Its totient is φ = 210132707946.

The previous prime is 210132707879. The next prime is 210132707957. The reversal of 210132707947 is 749707231012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210132707947 - 2¹¹ = 210132705899 is a prime.

It is not a weakly prime, because it can be changed into another prime (210132707957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105066353973 + 105066353974.

It is an arithmetic number, because the mean of its divisors is an integer number (105066353974).

Almost surely, 2^210132707947 is an apocalyptic number.

210132707947 is a deficient number, since it is larger than the sum of its proper divisors (1).

210132707947 is an equidigital number, since it uses as much as digits as its factorization.

210132707947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

Adding to 210132707947 its reverse (749707231012), we get a palindrome (959839938959).

The spelling of 210132707947 in words is "two hundred ten billion, one hundred thirty-two million, seven hundred seven thousand, nine hundred forty-seven".