630126666659 has 12 divisors (see below), whose sum is σ = 733483352088. Its totient is φ = 539755725600.

The previous prime is 630126666647. The next prime is 630126666683. The reversal of 630126666659 is 956666621036.

It is not a de Polignac number, because 630126666659 - 2¹² = 630126662563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630126666259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4124762 + ... + 4274799.

It is an arithmetic number, because the mean of its divisors is an integer number (61123612674).

Almost surely, 2^630126666659 is an apocalyptic number.

630126666659 is a deficient number, since it is larger than the sum of its proper divisors (103356685429).

630126666659 is a wasteful number, since it uses less digits than its factorization.

630126666659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401106 (or 8401099 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 630126666659 in words is "six hundred thirty billion, one hundred twenty-six million, six hundred sixty-six thousand, six hundred fifty-nine".