630258118057 has 8 divisors (see below), whose sum is σ = 634294504584. Its totient is φ = 626226252288.

The previous prime is 630258118027. The next prime is 630258118097. The reversal of 630258118057 is 750811852036.

It can be written as a sum of positive squares in 4 ways, for example, as 377808144921 + 252449973136 = 614661^2 + 502444^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630258118057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630258117998 and 630258118016.

It is not an unprimeable number, because it can be changed into a prime (630258118027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850248 + ... + 1408345.

It is an arithmetic number, because the mean of its divisors is an integer number (79286813073).

Almost surely, 2^630258118057 is an apocalyptic number.

It is an amenable number.

630258118057 is a deficient number, since it is larger than the sum of its proper divisors (4036386527).

630258118057 is a wasteful number, since it uses less digits than its factorization.

630258118057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260379.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 630258118057 in words is "six hundred thirty billion, two hundred fifty-eight million, one hundred eighteen thousand, fifty-seven".