2648192257 has 2 divisors, whose sum is σ = 2648192258. Its totient is φ = 2648192256.

The previous prime is 2648192251. The next prime is 2648192269. The reversal of 2648192257 is 7522918462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2520140401 + 128051856 = 50201^2 + 11316^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648192257 - 2³¹ = 500708609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2648192251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324096128 + 1324096129.

It is an arithmetic number, because the mean of its divisors is an integer number (1324096129).

Almost surely, 2^2648192257 is an apocalyptic number.

It is an amenable number.

2648192257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648192257 is an equidigital number, since it uses as much as digits as its factorization.

2648192257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 2648192257 is about 51460.5893572936. The cubic root of 2648192257 is about 1383.5127648349.

The spelling of 2648192257 in words is "two billion, six hundred forty-eight million, one hundred ninety-two thousand, two hundred fifty-seven".