6278249866379 has 2 divisors, whose sum is σ = 6278249866380. Its totient is φ = 6278249866378.

The previous prime is 6278249866331. The next prime is 6278249866411. The reversal of 6278249866379 is 9736689428726.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6278249866379 is a prime.

It is not a weakly prime, because it can be changed into another prime (6278249866879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139124933189 + 3139124933190.

It is an arithmetic number, because the mean of its divisors is an integer number (3139124933190).

Almost surely, 2^{6278249866379} is an apocalyptic number.

6278249866379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6278249866379 is an equidigital number, since it uses as much as digits as its factorization.

6278249866379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2633637888, while the sum is 77.

The spelling of 6278249866379 in words is "six trillion, two hundred seventy-eight billion, two hundred forty-nine million, eight hundred sixty-six thousand, three hundred seventy-nine".