210640132951 has 2 divisors, whose sum is σ = 210640132952. Its totient is φ = 210640132950.

The previous prime is 210640132933. The next prime is 210640133009. The reversal of 210640132951 is 159231046012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210640132951 - 2⁵ = 210640132919 is a prime.

It is a super-2 number, since 2×210640132951² (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 (210640132921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105320066475 + 105320066476.

It is an arithmetic number, because the mean of its divisors is an integer number (105320066476).

Almost surely, 2^210640132951 is an apocalyptic number.

210640132951 is a deficient number, since it is larger than the sum of its proper divisors (1).

210640132951 is an equidigital number, since it uses as much as digits as its factorization.

210640132951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 210640132951 its reverse (159231046012), we get a palindrome (369871178963).

The spelling of 210640132951 in words is "two hundred ten billion, six hundred forty million, one hundred thirty-two thousand, nine hundred fifty-one".