448400088491 has 2 divisors, whose sum is σ = 448400088492. Its totient is φ = 448400088490.

The previous prime is 448400088373. The next prime is 448400088523. The reversal of 448400088491 is 194880004844.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448400088491 is a prime.

It is not a weakly prime, because it can be changed into another prime (448400087491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224200044245 + 224200044246.

It is an arithmetic number, because the mean of its divisors is an integer number (224200044246).

Almost surely, 2^448400088491 is an apocalyptic number.

448400088491 is a deficient number, since it is larger than the sum of its proper divisors (1).

448400088491 is an equidigital number, since it uses as much as digits as its factorization.

448400088491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 448400088491 in words is "four hundred forty-eight billion, four hundred million, eighty-eight thousand, four hundred ninety-one".