210141749 has 2 divisors, whose sum is σ = 210141750. Its totient is φ = 210141748.

The previous prime is 210141739. The next prime is 210141751. The reversal of 210141749 is 947141012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183412849 + 26728900 = 13543^2 + 5170^2 .

It is a cyclic number.

It is not a de Polignac number, because 210141749 - 2⁸ = 210141493 is a prime.

Together with 210141751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210141739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105070874 + 105070875.

It is an arithmetic number, because the mean of its divisors is an integer number (105070875).

Almost surely, 2^210141749 is an apocalyptic number.

It is an amenable number.

210141749 is a deficient number, since it is larger than the sum of its proper divisors (1).

210141749 is an equidigital number, since it uses as much as digits as its factorization.

210141749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 210141749 is about 14496.2667262989. The cubic root of 210141749 is about 594.5259024974.

The spelling of 210141749 in words is "two hundred ten million, one hundred forty-one thousand, seven hundred forty-nine".