3988498653 has 12 divisors (see below), whose sum is σ = 5767745308. Its totient is φ = 2655961920.

The previous prime is 3988498649. The next prime is 3988498663. The reversal of 3988498653 is 3568948893.

3988498653 is a `hidden beast` number, since 3 + 9 + 88 + 498 + 65 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1854335844 + 2134162809 = 43062^2 + 46197^2 .

It is not a de Polignac number, because 3988498653 - 2² = 3988498649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988498663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244768 + ... + 260553.

Almost surely, 2^3988498653 is an apocalyptic number.

It is an amenable number.

3988498653 is a deficient number, since it is larger than the sum of its proper divisors (1779246655).

3988498653 is a wasteful number, since it uses less digits than its factorization.

3988498653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506204 (or 506201 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The square root of 3988498653 is about 63154.5616167193. The cubic root of 3988498653 is about 1585.8781538920.

The spelling of 3988498653 in words is "three billion, nine hundred eighty-eight million, four hundred ninety-eight thousand, six hundred fifty-three".