4498998945 has 64 divisors (see below), whose sum is σ = 8451686400. Its totient is φ = 2042712000.

The previous prime is 4498998937. The next prime is 4498998947. The reversal of 4498998945 is 5498998944.

It is not a de Polignac number, because 4498998945 - 2³ = 4498998937 is a prime.

It is a super-2 number, since 2×4498998945² = 40481983014222226050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4498998945.

It is not an unprimeable number, because it can be changed into a prime (4498998947) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 774000 + ... + 779790.

It is an arithmetic number, because the mean of its divisors is an integer number (132057600).

Almost surely, 2^4498998945 is an apocalyptic number.

It is an amenable number.

4498998945 is a deficient number, since it is larger than the sum of its proper divisors (3952687455).

4498998945 is a wasteful number, since it uses less digits than its factorization.

4498998945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971 (or 5957 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 69.

The square root of 4498998945 is about 67074.5774865560. The cubic root of 4498998945 is about 1650.8411927467.

Subtracting 4498998945 from its reverse (5498998944), we obtain a palindrome (999999999).

The spelling of 4498998945 in words is "four billion, four hundred ninety-eight million, nine hundred ninety-eight thousand, nine hundred forty-five".