2648344990867 has 2 divisors, whose sum is σ = 2648344990868. Its totient is φ = 2648344990866.

The previous prime is 2648344990849. The next prime is 2648344990883. The reversal of 2648344990867 is 7680994438462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2648344990867 - 2¹¹ = 2648344988819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2648344990796 and 2648344990805.

It is not a weakly prime, because it can be changed into another prime (2648344990897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324172495433 + 1324172495434.

It is an arithmetic number, because the mean of its divisors is an integer number (1324172495434).

Almost surely, 2^{2648344990867} is an apocalyptic number.

2648344990867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648344990867 is an equidigital number, since it uses as much as digits as its factorization.

2648344990867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 501645312, while the sum is 70.

The spelling of 2648344990867 in words is "two trillion, six hundred forty-eight billion, three hundred forty-four million, nine hundred ninety thousand, eight hundred sixty-seven".