630068331121 has 4 divisors (see below), whose sum is σ = 631639574244. Its totient is φ = 628497088000.

The previous prime is 630068331097. The next prime is 630068331143. The reversal of 630068331121 is 121133860036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 326286576225 + 303781754896 = 571215^2 + 551164^2 .

It is a cyclic number.

It is not a de Polignac number, because 630068331121 - 2⁷ = 630068330993 is a prime.

It is a super-2 number, since 2×630068331121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630068332121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785620960 + ... + 785621761.

It is an arithmetic number, because the mean of its divisors is an integer number (157909893561).

Almost surely, 2^630068331121 is an apocalyptic number.

It is an amenable number.

630068331121 is a deficient number, since it is larger than the sum of its proper divisors (1571243123).

630068331121 is a wasteful number, since it uses less digits than its factorization.

630068331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571243122.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 630068331121 in words is "six hundred thirty billion, sixty-eight million, three hundred thirty-one thousand, one hundred twenty-one".