629429989635 has 24 divisors (see below), whose sum is σ = 1091049775920. Its totient is φ = 335684365632.

The previous prime is 629429989621. The next prime is 629429989651. The reversal of 629429989635 is 536989924926.

629429989635 is a `hidden beast` number, since 6 + 29 + 429 + 98 + 96 + 3 + 5 = 666.

It is not a de Polignac number, because 629429989635 - 2¹³ = 629429981443 is a prime.

It is a super-2 number, since 2×629429989635² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1160452 + ... + 1614158.

It is an arithmetic number, because the mean of its divisors is an integer number (45460407330).

Almost surely, 2^629429989635 is an apocalyptic number.

629429989635 is a deficient number, since it is larger than the sum of its proper divisors (461619786285).

629429989635 is a wasteful number, since it uses less digits than its factorization.

629429989635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484547 (or 484544 counting only the distinct ones).

The product of its digits is 453496320, while the sum is 72.

The spelling of 629429989635 in words is "six hundred twenty-nine billion, four hundred twenty-nine million, nine hundred eighty-nine thousand, six hundred thirty-five".