3542638181 has 8 divisors (see below), whose sum is σ = 3815913984. Its totient is φ = 3279299760.

The previous prime is 3542638139. The next prime is 3542638189. The reversal of 3542638181 is 1818362453.

3542638181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3542638181 is a prime.

It is a super-3 number, since 3×3542638181³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3542638189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483606 + ... + 2485031.

It is an arithmetic number, because the mean of its divisors is an integer number (476989248).

Almost surely, 2^3542638181 is an apocalyptic number.

3542638181 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3542638181 is a deficient number, since it is larger than the sum of its proper divisors (273275803).

3542638181 is a wasteful number, since it uses less digits than its factorization.

3542638181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968691.

The product of its digits is 138240, while the sum is 41.

The square root of 3542638181 is about 59520.0653645474. The cubic root of 3542638181 is about 1524.4350760360.

The spelling of 3542638181 in words is "three billion, five hundred forty-two million, six hundred thirty-eight thousand, one hundred eighty-one".