1641135029 has 2 divisors, whose sum is σ = 1641135030. Its totient is φ = 1641135028.

The previous prime is 1641135017. The next prime is 1641135073. The reversal of 1641135029 is 9205311461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948024100 + 693110929 = 30790^2 + 26327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641135029 - 2²⁰ = 1640086453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1641134986 and 1641135004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1641135329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820567514 + 820567515.

It is an arithmetic number, because the mean of its divisors is an integer number (820567515).

Almost surely, 2^1641135029 is an apocalyptic number.

It is an amenable number.

1641135029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641135029 is an equidigital number, since it uses as much as digits as its factorization.

1641135029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1641135029 is about 40510.9248104755. The cubic root of 1641135029 is about 1179.5457001051.

The spelling of 1641135029 in words is "one billion, six hundred forty-one million, one hundred thirty-five thousand, twenty-nine".