6142553681 has 16 divisors (see below), whose sum is σ = 7058304960. Its totient is φ = 5286746880.

The previous prime is 6142553623. The next prime is 6142553707. The reversal of 6142553681 is 1863552416.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6142553681 is a prime.

It is a super-2 number, since 2×6142553681² = 75461931447933299522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142553381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337445 + ... + 355181.

It is an arithmetic number, because the mean of its divisors is an integer number (441144060).

Almost surely, 2^6142553681 is an apocalyptic number.

It is an amenable number.

6142553681 is a deficient number, since it is larger than the sum of its proper divisors (915751279).

6142553681 is a wasteful number, since it uses less digits than its factorization.

6142553681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19424.

The product of its digits is 172800, while the sum is 41.

The square root of 6142553681 is about 78374.4453313706. The cubic root of 6142553681 is about 1831.3990596228.

The spelling of 6142553681 in words is "six billion, one hundred forty-two million, five hundred fifty-three thousand, six hundred eighty-one".