630167029 has 2 divisors, whose sum is σ = 630167030. Its totient is φ = 630167028.

The previous prime is 630166991. The next prime is 630167051. The reversal of 630167029 is 920761036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624900004 + 5267025 = 24998^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 630167029 - 2⁹ = 630166517 is a prime.

It is a super-2 number, since 2×630167029² = 794220968877373682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630166985 and 630167003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630167059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315083514 + 315083515.

It is an arithmetic number, because the mean of its divisors is an integer number (315083515).

Almost surely, 2^630167029 is an apocalyptic number.

It is an amenable number.

630167029 is a deficient number, since it is larger than the sum of its proper divisors (1).

630167029 is an equidigital number, since it uses as much as digits as its factorization.

630167029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 630167029 is about 25103.1278728369. The cubic root of 630167029 is about 857.3376421697.

The spelling of 630167029 in words is "six hundred thirty million, one hundred sixty-seven thousand, twenty-nine".