629442209271 has 8 divisors (see below), whose sum is σ = 875745682560. Its totient is φ = 401383437752.

The previous prime is 629442209191. The next prime is 629442209273. The reversal of 629442209271 is 172902244926.

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 629442209271 - 2¹¹ = 629442207223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 629442209271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629442209273) 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, 4561175361 + ... + 4561175498.

It is an arithmetic number, because the mean of its divisors is an integer number (109468210320).

Almost surely, 2^629442209271 is an apocalyptic number.

629442209271 is a deficient number, since it is larger than the sum of its proper divisors (246303473289).

629442209271 is a wasteful number, since it uses less digits than its factorization.

629442209271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9122350885.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 629442209271 in words is "six hundred twenty-nine billion, four hundred forty-two million, two hundred nine thousand, two hundred seventy-one".