441671969 has 2 divisors, whose sum is σ = 441671970. Its totient is φ = 441671968.

The previous prime is 441671957. The next prime is 441671981. The reversal of 441671969 is 969176144.

It is a balanced prime because it is at equal distance from previous prime (441671957) and next prime (441671981).

It can be written as a sum of positive squares in only one way, i.e., 439950625 + 1721344 = 20975^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 441671969 - 2⁴ = 441671953 is a prime.

It is a super-2 number, since 2×441671969² = 390148256400673922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (441671669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220835984 + 220835985.

It is an arithmetic number, because the mean of its divisors is an integer number (220835985).

Almost surely, 2^441671969 is an apocalyptic number.

It is an amenable number.

441671969 is a deficient number, since it is larger than the sum of its proper divisors (1).

441671969 is an equidigital number, since it uses as much as digits as its factorization.

441671969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 441671969 is about 21015.9931718679. The cubic root of 441671969 is about 761.5526712030.

The spelling of 441671969 in words is "four hundred forty-one million, six hundred seventy-one thousand, nine hundred sixty-nine".