441011421443 has 4 divisors (see below), whose sum is σ = 441046836600. Its totient is φ = 440976006288.

The previous prime is 441011421439. The next prime is 441011421449. The reversal of 441011421443 is 344124110144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 441011421443 - 2² = 441011421439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441011421449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17688893 + ... + 17713806.

It is an arithmetic number, because the mean of its divisors is an integer number (110261709150).

Almost surely, 2^441011421443 is an apocalyptic number.

441011421443 is a deficient number, since it is larger than the sum of its proper divisors (35415157).

441011421443 is a wasteful number, since it uses less digits than its factorization.

441011421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35415156.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 441011421443 its reverse (344124110144), we get a palindrome (785135531587).

The spelling of 441011421443 in words is "four hundred forty-one billion, eleven million, four hundred twenty-one thousand, four hundred forty-three".