3538758985 has 4 divisors (see below), whose sum is σ = 4246510788. Its totient is φ = 2831007184.

The previous prime is 3538758983. The next prime is 3538759019. The reversal of 3538758985 is 5898578353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5898578353 = 103 ⋅57267751.

It can be written as a sum of positive squares in 2 ways, for example, as 1338023241 + 2200735744 = 36579^2 + 46912^2 .

It is a cyclic number.

It is not a de Polignac number, because 3538758985 - 2¹ = 3538758983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3538758983) 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 3 ways as a sum of consecutive naturals, for example, 353875894 + ... + 353875903.

It is an arithmetic number, because the mean of its divisors is an integer number (1061627697).

Almost surely, 2^3538758985 is an apocalyptic number.

It is an amenable number.

3538758985 is a deficient number, since it is larger than the sum of its proper divisors (707751803).

3538758985 is an equidigital number, since it uses as much as digits as its factorization.

3538758985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707751802.

The product of its digits is 36288000, while the sum is 61.

The square root of 3538758985 is about 59487.4691426690. The cubic root of 3538758985 is about 1523.8784529845.

The spelling of 3538758985 in words is "three billion, five hundred thirty-eight million, seven hundred fifty-eight thousand, nine hundred eighty-five".