4398985497 has 16 divisors (see below), whose sum is σ = 6123525120. Its totient is φ = 2803684752.

The previous prime is 4398985477. The next prime is 4398985511. The reversal of 4398985497 is 7945898934.

It is not a de Polignac number, because 4398985497 - 2⁷ = 4398985369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4398985417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125058 + ... + 156324.

It is an arithmetic number, because the mean of its divisors is an integer number (382720320).

Almost surely, 2^4398985497 is an apocalyptic number.

It is an amenable number.

4398985497 is a deficient number, since it is larger than the sum of its proper divisors (1724539623).

4398985497 is a wasteful number, since it uses less digits than its factorization.

4398985497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33332.

The product of its digits is 78382080, while the sum is 66.

The square root of 4398985497 is about 66324.8482621709. The cubic root of 4398985497 is about 1638.5165915379.

The spelling of 4398985497 in words is "four billion, three hundred ninety-eight million, nine hundred eighty-five thousand, four hundred ninety-seven".