629429243 has 2 divisors, whose sum is σ = 629429244. Its totient is φ = 629429242.

The previous prime is 629429191. The next prime is 629429279. The reversal of 629429243 is 342924926.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629429243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 629429243.

It is not a weakly prime, because it can be changed into another prime (629428243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314714621 + 314714622.

It is an arithmetic number, because the mean of its divisors is an integer number (314714622).

Almost surely, 2^629429243 is an apocalyptic number.

629429243 is a deficient number, since it is larger than the sum of its proper divisors (1).

629429243 is an equidigital number, since it uses as much as digits as its factorization.

629429243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 629429243 is about 25088.4284681205. The cubic root of 629429243 is about 857.0029273546.

The spelling of 629429243 in words is "six hundred twenty-nine million, four hundred twenty-nine thousand, two hundred forty-three".