629829913 has 2 divisors, whose sum is σ = 629829914. Its totient is φ = 629829912.

The previous prime is 629829869. The next prime is 629829943. The reversal of 629829913 is 319928926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605307609 + 24522304 = 24603^2 + 4952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629829913 is a prime.

It is not a weakly prime, because it can be changed into another prime (629829943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314914956 + 314914957.

It is an arithmetic number, because the mean of its divisors is an integer number (314914957).

Almost surely, 2^629829913 is an apocalyptic number.

It is an amenable number.

629829913 is a deficient number, since it is larger than the sum of its proper divisors (1).

629829913 is an equidigital number, since it uses as much as digits as its factorization.

629829913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 49.

The square root of 629829913 is about 25096.4123531632. The cubic root of 629829913 is about 857.1847336141.

The spelling of 629829913 in words is "six hundred twenty-nine million, eight hundred twenty-nine thousand, nine hundred thirteen".