407641109 has 2 divisors, whose sum is σ = 407641110. Its totient is φ = 407641108.

The previous prime is 407641097. The next prime is 407641123. The reversal of 407641109 is 901146704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306075025 + 101566084 = 17495^2 + 10078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407641109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407641159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203820554 + 203820555.

It is an arithmetic number, because the mean of its divisors is an integer number (203820555).

Almost surely, 2^407641109 is an apocalyptic number.

It is an amenable number.

407641109 is a deficient number, since it is larger than the sum of its proper divisors (1).

407641109 is an equidigital number, since it uses as much as digits as its factorization.

407641109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 407641109 is about 20190.1240461766. The cubic root of 407641109 is about 741.4684191309.

The spelling of 407641109 in words is "four hundred seven million, six hundred forty-one thousand, one hundred nine".