629228946469 has 16 divisors (see below), whose sum is σ = 651066750720. Its totient is φ = 607828561600.

The previous prime is 629228946461. The next prime is 629228946473. The reversal of 629228946469 is 964649822926.

It is a cyclic number.

It is not a de Polignac number, because 629228946469 - 2³ = 629228946461 is a prime.

It is a super-2 number, since 2×629228946469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629228946461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629844 + ... + 1286530.

It is an arithmetic number, because the mean of its divisors is an integer number (40691671920).

Almost surely, 2^629228946469 is an apocalyptic number.

It is an amenable number.

629228946469 is a deficient number, since it is larger than the sum of its proper divisors (21837804251).

629228946469 is a wasteful number, since it uses less digits than its factorization.

629228946469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657020.

The product of its digits is 161243136, while the sum is 67.

The spelling of 629228946469 in words is "six hundred twenty-nine billion, two hundred twenty-eight million, nine hundred forty-six thousand, four hundred sixty-nine".