441479993 has 4 divisors (see below), whose sum is σ = 441548160. Its totient is φ = 441411828.

The previous prime is 441479981. The next prime is 441480001. The reversal of 441479993 is 399974144.

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 not a de Polignac number, because 441479993 - 2⁸ = 441479737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441479903) 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, 23213 + ... + 37706.

It is an arithmetic number, because the mean of its divisors is an integer number (110387040).

Almost surely, 2^441479993 is an apocalyptic number.

It is an amenable number.

441479993 is a deficient number, since it is larger than the sum of its proper divisors (68167).

441479993 is an equidigital number, since it uses as much as digits as its factorization.

441479993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68166.

The product of its digits is 979776, while the sum is 50.

The square root of 441479993 is about 21011.4252967284. The cubic root of 441479993 is about 761.4423170387.

The spelling of 441479993 in words is "four hundred forty-one million, four hundred seventy-nine thousand, nine hundred ninety-three".