3498538639 has 4 divisors (see below), whose sum is σ = 3564548856. Its totient is φ = 3432528424.

The previous prime is 3498538597. The next prime is 3498538649. The reversal of 3498538639 is 9368358943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9368358943 = 27917 ⋅335579.

It is a cyclic number.

It is not a de Polignac number, because 3498538639 - 2²⁵ = 3464984207 is a prime.

It is a super-3 number, since 3×3498538639³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3498538649) 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, 33005029 + ... + 33005134.

It is an arithmetic number, because the mean of its divisors is an integer number (891137214).

Almost surely, 2^3498538639 is an apocalyptic number.

3498538639 is a deficient number, since it is larger than the sum of its proper divisors (66010217).

3498538639 is an equidigital number, since it uses as much as digits as its factorization.

3498538639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66010216.

The product of its digits is 16796160, while the sum is 58.

The square root of 3498538639 is about 59148.4457868506. The cubic root of 3498538639 is about 1518.0831444880.

The spelling of 3498538639 in words is "three billion, four hundred ninety-eight million, five hundred thirty-eight thousand, six hundred thirty-nine".