448788931 has 2 divisors, whose sum is σ = 448788932. Its totient is φ = 448788930.

The previous prime is 448788929. The next prime is 448788959. The reversal of 448788931 is 139887844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448788931 - 2¹ = 448788929 is a prime.

It is a super-2 number, since 2×448788931² = 402823009176245522, which contains 22 as substring.

Together with 448788929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (448786931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224394465 + 224394466.

It is an arithmetic number, because the mean of its divisors is an integer number (224394466).

Almost surely, 2^448788931 is an apocalyptic number.

448788931 is a deficient number, since it is larger than the sum of its proper divisors (1).

448788931 is an equidigital number, since it uses as much as digits as its factorization.

448788931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 52.

The square root of 448788931 is about 21184.6390339793. The cubic root of 448788931 is about 765.6213676596.

The spelling of 448788931 in words is "four hundred forty-eight million, seven hundred eighty-eight thousand, nine hundred thirty-one".