6120539999 has 4 divisors (see below), whose sum is σ = 6994902864. Its totient is φ = 5246177136.

The previous prime is 6120539993. The next prime is 6120540029. The reversal of 6120539999 is 9999350216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6120539999 - 2¹² = 6120535903 is a prime.

It is a super-2 number, since 2×6120539999² = 74922019758717840002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6120539999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6120539993) 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 3 ways as a sum of consecutive naturals, for example, 437181422 + ... + 437181435.

It is an arithmetic number, because the mean of its divisors is an integer number (1748725716).

Almost surely, 2^6120539999 is an apocalyptic number.

6120539999 is a deficient number, since it is larger than the sum of its proper divisors (874362865).

6120539999 is an equidigital number, since it uses as much as digits as its factorization.

6120539999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874362864.

The product of its (nonzero) digits is 1180980, while the sum is 53.

The square root of 6120539999 is about 78233.8801223613. The cubic root of 6120539999 is about 1829.2086517445.

The spelling of 6120539999 in words is "six billion, one hundred twenty million, five hundred thirty-nine thousand, nine hundred ninety-nine".