629713813 has 8 divisors (see below), whose sum is σ = 667113408. Its totient is φ = 592353984.

The previous prime is 629713781. The next prime is 629713823. The reversal of 629713813 is 318317926.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 629713813 - 2⁵ = 629713781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629713823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26520 + ... + 44302.

It is an arithmetic number, because the mean of its divisors is an integer number (83389176).

Almost surely, 2^629713813 is an apocalyptic number.

It is an amenable number.

629713813 is a deficient number, since it is larger than the sum of its proper divisors (37399595).

629713813 is a wasteful number, since it uses less digits than its factorization.

629713813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19883.

The product of its digits is 54432, while the sum is 40.

The square root of 629713813 is about 25094.0991669356. The cubic root of 629713813 is about 857.1320605241.

The spelling of 629713813 in words is "six hundred twenty-nine million, seven hundred thirteen thousand, eight hundred thirteen".