629487071 has 2 divisors, whose sum is σ = 629487072. Its totient is φ = 629487070.

The previous prime is 629487037. The next prime is 629487077. The reversal of 629487071 is 170784926.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629487071 - 2⁶ = 629487007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629487077) 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, 314743535 + 314743536.

It is an arithmetic number, because the mean of its divisors is an integer number (314743536).

Almost surely, 2^629487071 is an apocalyptic number.

629487071 is a deficient number, since it is larger than the sum of its proper divisors (1).

629487071 is an equidigital number, since it uses as much as digits as its factorization.

629487071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 629487071 is about 25089.5809251570. The cubic root of 629487071 is about 857.0291718971.

The spelling of 629487071 in words is "six hundred twenty-nine million, four hundred eighty-seven thousand, seventy-one".