6542599061 has 16 divisors (see below), whose sum is σ = 7000761600. Its totient is φ = 6096549888.

The previous prime is 6542599057. The next prime is 6542599069. The reversal of 6542599061 is 1609952456.

It is a cyclic number.

It is not a de Polignac number, because 6542599061 - 2² = 6542599057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6542598997 and 6542599015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542599069) 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, 316340 + ... + 336386.

It is an arithmetic number, because the mean of its divisors is an integer number (437547600).

Almost surely, 2^6542599061 is an apocalyptic number.

It is an amenable number.

6542599061 is a deficient number, since it is larger than the sum of its proper divisors (458162539).

6542599061 is a wasteful number, since it uses less digits than its factorization.

6542599061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 6542599061 is about 80886.3342042400. The cubic root of 6542599061 is about 1870.3236650812.

The spelling of 6542599061 in words is "six billion, five hundred forty-two million, five hundred ninety-nine thousand, sixty-one".