3898318653 has 6 divisors (see below), whose sum is σ = 5630904734. Its totient is φ = 2598879096.

The previous prime is 3898318621. The next prime is 3898318657. The reversal of 3898318653 is 3568138983.

It is a happy number.

3898318653 is a `hidden beast` number, since 389 + 83 + 186 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3661097049 + 237221604 = 60507^2 + 15402^2 .

It is not a de Polignac number, because 3898318653 - 2⁵ = 3898318621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3898318653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898318657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216573250 + ... + 216573267.

Almost surely, 2^3898318653 is an apocalyptic number.

It is an amenable number.

3898318653 is a deficient number, since it is larger than the sum of its proper divisors (1732586081).

3898318653 is a wasteful number, since it uses less digits than its factorization.

3898318653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433146523 (or 433146520 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 3898318653 is about 62436.5169832527. The cubic root of 3898318653 is about 1573.8346838954.

The spelling of 3898318653 in words is "three billion, eight hundred ninety-eight million, three hundred eighteen thousand, six hundred fifty-three".