441956129 has 2 divisors, whose sum is σ = 441956130. Its totient is φ = 441956128.

The previous prime is 441956071. The next prime is 441956147. The reversal of 441956129 is 921659144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434639104 + 7317025 = 20848^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 441956129 - 2⁸ = 441955873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (441956149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220978064 + 220978065.

It is an arithmetic number, because the mean of its divisors is an integer number (220978065).

Almost surely, 2^441956129 is an apocalyptic number.

It is an amenable number.

441956129 is a deficient number, since it is larger than the sum of its proper divisors (1).

441956129 is an equidigital number, since it uses as much as digits as its factorization.

441956129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 441956129 is about 21022.7526504024. The cubic root of 441956129 is about 761.7159571026.

The spelling of 441956129 in words is "four hundred forty-one million, nine hundred fifty-six thousand, one hundred twenty-nine".