6279120013 has 2 divisors, whose sum is σ = 6279120014. Its totient is φ = 6279120012.

The previous prime is 6279119971. The next prime is 6279120031. The reversal of 6279120013 is 3100219726.

Together with next prime (6279120031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4833447529 + 1445672484 = 69523^2 + 38022^2 .

It is a cyclic number.

It is not a de Polignac number, because 6279120013 - 2²¹ = 6277022861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6279120713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139560006 + 3139560007.

It is an arithmetic number, because the mean of its divisors is an integer number (3139560007).

Almost surely, 2^6279120013 is an apocalyptic number.

It is an amenable number.

6279120013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6279120013 is an equidigital number, since it uses as much as digits as its factorization.

6279120013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 6279120013 is about 79240.8986130268. The cubic root of 6279120013 is about 1844.8720923463.

Adding to 6279120013 its reverse (3100219726), we get a palindrome (9379339739).

The spelling of 6279120013 in words is "six billion, two hundred seventy-nine million, one hundred twenty thousand, thirteen".