629909667072 has 162 divisors, whose sum is σ = 2112705216258. Its totient is φ = 179974158336.

The previous prime is 629909667061. The next prime is 629909667083. The reversal of 629909667072 is 270766909926.

It is an interprime number because it is at equal distance from previous prime (629909667061) and next prime (629909667083).

It can be written as a sum of positive squares in only one way, i.e., 467068363776 + 162841303296 = 683424^2 + 403536^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2676883 + ... + 2902674.

Almost surely, 2^629909667072 is an apocalyptic number.

It is an amenable number.

629909667072 is an abundant number, since it is smaller than the sum of its proper divisors (1482795549186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629909667072 is a wasteful number, since it uses less digits than its factorization.

629909667072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579593 (or 5579569 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 629909667072 in words is "six hundred twenty-nine billion, nine hundred nine million, six hundred sixty-seven thousand, seventy-two".