3538855690 has 16 divisors (see below), whose sum is σ = 6372759528. Its totient is φ = 1414915776.

The previous prime is 3538855681. The next prime is 3538855699. The reversal of 3538855690 is 965588353.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3538855681) and next prime (3538855699).

It can be written as a sum of positive squares in 4 ways, for example, as 2855085489 + 683770201 = 53433^2 + 26149^2 .

It is a super-2 number, since 2×3538855690² = 25046999189290752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3538855699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54237 + ... + 100096.

Almost surely, 2^3538855690 is an apocalyptic number.

3538855690 is a deficient number, since it is larger than the sum of its proper divisors (2833903838).

3538855690 is a wasteful number, since it uses less digits than its factorization.

3538855690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156633.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The square root of 3538855690 is about 59488.2819553566. The cubic root of 3538855690 is about 1523.8923340582.

The spelling of 3538855690 in words is "three billion, five hundred thirty-eight million, eight hundred fifty-five thousand, six hundred ninety".