629630143 has 2 divisors, whose sum is σ = 629630144. Its totient is φ = 629630142.

The previous prime is 629630117. The next prime is 629630149. The reversal of 629630143 is 341036926.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629630143 - 2⁹ = 629629631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 629630099 and 629630108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629630149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314815071 + 314815072.

It is an arithmetic number, because the mean of its divisors is an integer number (314815072).

Almost surely, 2^629630143 is an apocalyptic number.

629630143 is a deficient number, since it is larger than the sum of its proper divisors (1).

629630143 is an equidigital number, since it uses as much as digits as its factorization.

629630143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 629630143 is about 25092.4319865572. The cubic root of 629630143 is about 857.0940964973.

The spelling of 629630143 in words is "six hundred twenty-nine million, six hundred thirty thousand, one hundred forty-three".