3842013581 has 8 divisors (see below), whose sum is σ = 4402461120. Its totient is φ = 3284463168.

The previous prime is 3842013559. The next prime is 3842013601. The reversal of 3842013581 is 1853102483.

It is a happy number.

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

It is not a de Polignac number, because 3842013581 - 2¹⁸ = 3841751437 is a prime.

It is a super-2 number, since 2×3842013581² = 29522136713176887122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842063581) 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, 721436 + ... + 726741.

It is an arithmetic number, because the mean of its divisors is an integer number (550307640).

Almost surely, 2^3842013581 is an apocalyptic number.

It is an amenable number.

3842013581 is a deficient number, since it is larger than the sum of its proper divisors (560447539).

3842013581 is a wasteful number, since it uses less digits than its factorization.

3842013581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448563.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 3842013581 is about 61983.9784218470. The cubic root of 3842013581 is about 1566.2207205526.

The spelling of 3842013581 in words is "three billion, eight hundred forty-two million, thirteen thousand, five hundred eighty-one".