629848939 has 2 divisors, whose sum is σ = 629848940. Its totient is φ = 629848938.

The previous prime is 629848913. The next prime is 629848987. The reversal of 629848939 is 939848926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629848939 - 2²³ = 621460331 is a prime.

It is not a weakly prime, because it can be changed into another prime (629848339) 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, 314924469 + 314924470.

It is an arithmetic number, because the mean of its divisors is an integer number (314924470).

Almost surely, 2^629848939 is an apocalyptic number.

629848939 is a deficient number, since it is larger than the sum of its proper divisors (1).

629848939 is an equidigital number, since it uses as much as digits as its factorization.

629848939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 58.

The square root of 629848939 is about 25096.7914084649. The cubic root of 629848939 is about 857.1933648505.

The spelling of 629848939 in words is "six hundred twenty-nine million, eight hundred forty-eight thousand, nine hundred thirty-nine".