630461129 has 4 divisors (see below), whose sum is σ = 642356676. Its totient is φ = 618565584.

The previous prime is 630461113. The next prime is 630461203. The reversal of 630461129 is 921164036.

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 203005504 + 427455625 = 14248^2 + 20675^2 .

It is a cyclic number.

It is not a de Polignac number, because 630461129 - 2⁴ = 630461113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630461095 and 630461104.

It is not an unprimeable number, because it can be changed into a prime (630461729) 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, 5947694 + ... + 5947799.

It is an arithmetic number, because the mean of its divisors is an integer number (160589169).

Almost surely, 2^630461129 is an apocalyptic number.

It is an amenable number.

630461129 is a deficient number, since it is larger than the sum of its proper divisors (11895547).

630461129 is a wasteful number, since it uses less digits than its factorization.

630461129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11895546.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 630461129 is about 25108.9850252853. The cubic root of 630461129 is about 857.4709950608.

The spelling of 630461129 in words is "six hundred thirty million, four hundred sixty-one thousand, one hundred twenty-nine".