630629697 has 4 divisors (see below), whose sum is σ = 840839600. Its totient is φ = 420419796.

The previous prime is 630629687. The next prime is 630629707. The reversal of 630629697 is 796926036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (630629687) and next prime (630629707).

It is not a de Polignac number, because 630629697 - 2¹² = 630625601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630629647) 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 3 ways as a sum of consecutive naturals, for example, 105104947 + ... + 105104952.

It is an arithmetic number, because the mean of its divisors is an integer number (210209900).

Almost surely, 2^630629697 is an apocalyptic number.

It is an amenable number.

630629697 is a deficient number, since it is larger than the sum of its proper divisors (210209903).

630629697 is a wasteful number, since it uses less digits than its factorization.

630629697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210209902.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 630629697 is about 25112.3415276234. The cubic root of 630629697 is about 857.5474096531.

The spelling of 630629697 in words is "six hundred thirty million, six hundred twenty-nine thousand, six hundred ninety-seven".