6142556009 has 2 divisors, whose sum is σ = 6142556010. Its totient is φ = 6142556008.

The previous prime is 6142555981. The next prime is 6142556051. The reversal of 6142556009 is 9006552416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5753677609 + 388878400 = 75853^2 + 19720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6142556009 is a prime.

It is not a weakly prime, because it can be changed into another prime (6142556099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071278004 + 3071278005.

It is an arithmetic number, because the mean of its divisors is an integer number (3071278005).

Almost surely, 2^6142556009 is an apocalyptic number.

It is an amenable number.

6142556009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6142556009 is an equidigital number, since it uses as much as digits as its factorization.

6142556009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 6142556009 is about 78374.4601831489. The cubic root of 6142556009 is about 1831.3992909867.

The spelling of 6142556009 in words is "six billion, one hundred forty-two million, five hundred fifty-six thousand, nine".