330749129 has 2 divisors, whose sum is σ = 330749130. Its totient is φ = 330749128.

The previous prime is 330749117. The next prime is 330749141. The reversal of 330749129 is 921947033.

It is a balanced prime because it is at equal distance from previous prime (330749117) and next prime (330749141).

It can be written as a sum of positive squares in only one way, i.e., 172869904 + 157879225 = 13148^2 + 12565^2 .

It is a cyclic number.

It is not a de Polignac number, because 330749129 - 2⁴ = 330749113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330749092 and 330749101.

It is not a weakly prime, because it can be changed into another prime (330749429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165374564 + 165374565.

It is an arithmetic number, because the mean of its divisors is an integer number (165374565).

Almost surely, 2^330749129 is an apocalyptic number.

It is an amenable number.

330749129 is a deficient number, since it is larger than the sum of its proper divisors (1).

330749129 is an equidigital number, since it uses as much as digits as its factorization.

330749129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 330749129 is about 18186.5095331677. The cubic root of 330749129 is about 691.5648367500.

The spelling of 330749129 in words is "three hundred thirty million, seven hundred forty-nine thousand, one hundred twenty-nine".