629912390869 has 8 divisors (see below), whose sum is σ = 632669976288. Its totient is φ = 627156774000.

The previous prime is 629912390843. The next prime is 629912390873. The reversal of 629912390869 is 968093219926.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 629912390869 - 2¹¹ = 629912388821 is a prime.

It is a super-2 number, since 2×629912390869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 629912390869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629912390839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151074 + ... + 1132540.

It is an arithmetic number, because the mean of its divisors is an integer number (79083747036).

Almost surely, 2^629912390869 is an apocalyptic number.

It is an amenable number.

629912390869 is a deficient number, since it is larger than the sum of its proper divisors (2757585419).

629912390869 is a wasteful number, since it uses less digits than its factorization.

629912390869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984275.

The product of its (nonzero) digits is 22674816, while the sum is 64.

The spelling of 629912390869 in words is "six hundred twenty-nine billion, nine hundred twelve million, three hundred ninety thousand, eight hundred sixty-nine".