210132707957 has 2 divisors, whose sum is σ = 210132707958. Its totient is φ = 210132707956.

The previous prime is 210132707947. The next prime is 210132707987. The reversal of 210132707957 is 759707231012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209282460676 + 850247281 = 457474^2 + 29159^2 .

It is a cyclic number.

It is not a de Polignac number, because 210132707957 - 2¹² = 210132703861 is a prime.

It is a super-2 number, since 2×210132707957² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210132707947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105066353978 + 105066353979.

It is an arithmetic number, because the mean of its divisors is an integer number (105066353979).

Almost surely, 2^210132707957 is an apocalyptic number.

It is an amenable number.

210132707957 is a deficient number, since it is larger than the sum of its proper divisors (1).

210132707957 is an equidigital number, since it uses as much as digits as its factorization.

210132707957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185220, while the sum is 44.

Adding to 210132707957 its reverse (759707231012), we get a palindrome (969839938969).

The spelling of 210132707957 in words is "two hundred ten billion, one hundred thirty-two million, seven hundred seven thousand, nine hundred fifty-seven".