2648894071 has 2 divisors, whose sum is σ = 2648894072. Its totient is φ = 2648894070.

The previous prime is 2648894069. The next prime is 2648894077. The reversal of 2648894071 is 1704988462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2648894071 - 2¹ = 2648894069 is a prime.

Together with 2648894069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648894077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324447035 + 1324447036.

It is an arithmetic number, because the mean of its divisors is an integer number (1324447036).

Almost surely, 2^2648894071 is an apocalyptic number.

2648894071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648894071 is an equidigital number, since it uses as much as digits as its factorization.

2648894071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 2648894071 is about 51467.4078519601. The cubic root of 2648894071 is about 1383.6349718314.

The spelling of 2648894071 in words is "two billion, six hundred forty-eight million, eight hundred ninety-four thousand, seventy-one".