6498856279 has 2 divisors, whose sum is σ = 6498856280. Its totient is φ = 6498856278.

The previous prime is 6498856267. The next prime is 6498856289. The reversal of 6498856279 is 9726588946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6498856279 - 2¹⁵ = 6498823511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6498856279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6498856289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249428139 + 3249428140.

It is an arithmetic number, because the mean of its divisors is an integer number (3249428140).

Almost surely, 2^6498856279 is an apocalyptic number.

6498856279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6498856279 is an equidigital number, since it uses as much as digits as its factorization.

6498856279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 64.

The square root of 6498856279 is about 80615.4841144057. The cubic root of 6498856279 is about 1866.1461116958.

The spelling of 6498856279 in words is "six billion, four hundred ninety-eight million, eight hundred fifty-six thousand, two hundred seventy-nine".