6661330030039 has 2 divisors, whose sum is σ = 6661330030040. Its totient is φ = 6661330030038.

The previous prime is 6661330029971. The next prime is 6661330030057. The reversal of 6661330030039 is 9300300331666.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6661330030039 - 2¹³ = 6661330021847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6661330029983 and 6661330030010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6661330030079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330665015019 + 3330665015020.

It is an arithmetic number, because the mean of its divisors is an integer number (3330665015020).

Almost surely, 2^{6661330030039} is an apocalyptic number.

6661330030039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6661330030039 is an equidigital number, since it uses as much as digits as its factorization.

6661330030039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 40.

The spelling of 6661330030039 in words is "six trillion, six hundred sixty-one billion, three hundred thirty million, thirty thousand, thirty-nine".