629013839 has 4 divisors (see below), whose sum is σ = 649304640. Its totient is φ = 608723040.

The previous prime is 629013797. The next prime is 629013859. The reversal of 629013839 is 938310926.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 629013839 - 2²⁰ = 627965263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629013796 and 629013805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629013859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10145354 + ... + 10145415.

It is an arithmetic number, because the mean of its divisors is an integer number (162326160).

Almost surely, 2^629013839 is an apocalyptic number.

629013839 is a deficient number, since it is larger than the sum of its proper divisors (20290801).

629013839 is a wasteful number, since it uses less digits than its factorization.

629013839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20290800.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 629013839 is about 25080.1483049842. The cubic root of 629013839 is about 856.8143539798.

The spelling of 629013839 in words is "six hundred twenty-nine million, thirteen thousand, eight hundred thirty-nine".