629368081 has 12 divisors (see below), whose sum is σ = 660170896. Its totient is φ = 599669280.

The previous prime is 629368031. The next prime is 629368093. The reversal of 629368081 is 180863926.

It is not a de Polignac number, because 629368081 - 2⁹ = 629367569 is a prime.

It is a super-2 number, since 2×629368081² = 792208362763245122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629368031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67930 + ... + 76636.

Almost surely, 2^629368081 is an apocalyptic number.

It is an amenable number.

629368081 is a deficient number, since it is larger than the sum of its proper divisors (30802815).

629368081 is an equidigital number, since it uses as much as digits as its factorization.

629368081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832 (or 8791 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 629368081 is about 25087.2095100272. The cubic root of 629368081 is about 856.9751679670.

It can be divided in two parts, 62936 and 8081, that added together give a palindrome (71017).

The spelling of 629368081 in words is "six hundred twenty-nine million, three hundred sixty-eight thousand, eighty-one".