6142347081 has 36 divisors (see below), whose sum is σ = 9630192000. Its totient is φ = 3770885664.

The previous prime is 6142347077. The next prime is 6142347089. The reversal of 6142347081 is 1807432416.

6142347081 is a `hidden beast` number, since 614 + 2 + 34 + 7 + 0 + 8 + 1 = 666.

It is not a de Polignac number, because 6142347081 - 2² = 6142347077 is a prime.

It is a super-2 number, since 2×6142347081² = 75456855326938441122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142347089) 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 35 ways as a sum of consecutive naturals, for example, 663120 + ... + 672318.

Almost surely, 2^6142347081 is an apocalyptic number.

It is an amenable number.

6142347081 is a deficient number, since it is larger than the sum of its proper divisors (3487844919).

6142347081 is a wasteful number, since it uses less digits than its factorization.

6142347081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670 (or 9654 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 6142347081 is about 78373.1272886313. The cubic root of 6142347081 is about 1831.3785268331.

Adding to 6142347081 its reverse (1807432416), we get a palindrome (7949779497).

The spelling of 6142347081 in words is "six billion, one hundred forty-two million, three hundred forty-seven thousand, eighty-one".