629956701 has 12 divisors (see below), whose sum is σ = 992659200. Its totient is φ = 381791880.

The previous prime is 629956667. The next prime is 629956721. The reversal of 629956701 is 107659926.

It is a happy number.

It is not a de Polignac number, because 629956701 - 2¹¹ = 629954653 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629956721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3181501 + ... + 3181698.

It is an arithmetic number, because the mean of its divisors is an integer number (82721600).

Almost surely, 2^629956701 is an apocalyptic number.

It is an amenable number.

629956701 is a deficient number, since it is larger than the sum of its proper divisors (362702499).

629956701 is a wasteful number, since it uses less digits than its factorization.

629956701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363216 (or 6363213 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 629956701 is about 25098.9382444756. The cubic root of 629956701 is about 857.2422483198.

It can be divided in two parts, 62995 and 6701, that added together give a palindrome (69696).

The spelling of 629956701 in words is "six hundred twenty-nine million, nine hundred fifty-six thousand, seven hundred one".