441345961 has 4 divisors (see below), whose sum is σ = 504395392. Its totient is φ = 378296532.

The previous prime is 441345941. The next prime is 441345973. The reversal of 441345961 is 169543144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441345961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441345961.

It is not an unprimeable number, because it can be changed into a prime (441345941) 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, 31524705 + ... + 31524718.

It is an arithmetic number, because the mean of its divisors is an integer number (126098848).

Almost surely, 2^441345961 is an apocalyptic number.

It is an amenable number.

441345961 is a deficient number, since it is larger than the sum of its proper divisors (63049431).

441345961 is an equidigital number, since it uses as much as digits as its factorization.

441345961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63049430.

The product of its digits is 51840, while the sum is 37.

The square root of 441345961 is about 21008.2355518021. The cubic root of 441345961 is about 761.3652520391.

The spelling of 441345961 in words is "four hundred forty-one million, three hundred forty-five thousand, nine hundred sixty-one".