630429133 has 2 divisors, whose sum is σ = 630429134. Its totient is φ = 630429132.

The previous prime is 630429119. The next prime is 630429157. The reversal of 630429133 is 331924036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541353289 + 89075844 = 23267^2 + 9438^2 .

It is a cyclic number.

It is not a de Polignac number, because 630429133 - 2¹⁷ = 630298061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630429095 and 630429104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630429433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315214566 + 315214567.

It is an arithmetic number, because the mean of its divisors is an integer number (315214567).

Almost surely, 2^630429133 is an apocalyptic number.

It is an amenable number.

630429133 is a deficient number, since it is larger than the sum of its proper divisors (1).

630429133 is an equidigital number, since it uses as much as digits as its factorization.

630429133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 630429133 is about 25108.3478747607. The cubic root of 630429133 is about 857.4564892201.

The spelling of 630429133 in words is "six hundred thirty million, four hundred twenty-nine thousand, one hundred thirty-three".