441000364540621 has 2 divisors, whose sum is σ = 441000364540622. Its totient is φ = 441000364540620.

The previous prime is 441000364540573. The next prime is 441000364540643. The reversal of 441000364540621 is 126045463000144.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440884297590025 + 116066950596 = 20997245^2 + 340686^2 .

It is a cyclic number.

It is not a de Polignac number, because 441000364540621 - 2³³ = 440991774606029 is a prime.

It is a super-2 number, since 2×441000364540621² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441000364570621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220500182270310 + 220500182270311.

It is an arithmetic number, because the mean of its divisors is an integer number (220500182270311).

Almost surely, 2^{441000364540621} is an apocalyptic number.

It is an amenable number.

441000364540621 is a deficient number, since it is larger than the sum of its proper divisors (1).

441000364540621 is an equidigital number, since it uses as much as digits as its factorization.

441000364540621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 441000364540621 in words is "four hundred forty-one trillion, three hundred sixty-four million, five hundred forty thousand, six hundred twenty-one".