407044669 has 2 divisors, whose sum is σ = 407044670. Its totient is φ = 407044668.

The previous prime is 407044661. The next prime is 407044691. The reversal of 407044669 is 966440704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335439225 + 71605444 = 18315^2 + 8462^2 .

It is a cyclic number.

It is not a de Polignac number, because 407044669 - 2³ = 407044661 is a prime.

It is a super-2 number, since 2×407044669² = 331370725122639122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407044661) 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, 203522334 + 203522335.

It is an arithmetic number, because the mean of its divisors is an integer number (203522335).

Almost surely, 2^407044669 is an apocalyptic number.

It is an amenable number.

407044669 is a deficient number, since it is larger than the sum of its proper divisors (1).

407044669 is an equidigital number, since it uses as much as digits as its factorization.

407044669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 407044669 is about 20175.3480515207. The cubic root of 407044669 is about 741.1066161641.

The spelling of 407044669 in words is "four hundred seven million, forty-four thousand, six hundred sixty-nine".