2648131349 has 2 divisors, whose sum is σ = 2648131350. Its totient is φ = 2648131348.

The previous prime is 2648131319. The next prime is 2648131373. The reversal of 2648131349 is 9431318462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2286561124 + 361570225 = 47818^2 + 19015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648131349 - 2⁸ = 2648131093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648131319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324065674 + 1324065675.

It is an arithmetic number, because the mean of its divisors is an integer number (1324065675).

Almost surely, 2^2648131349 is an apocalyptic number.

It is an amenable number.

2648131349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648131349 is an equidigital number, since it uses as much as digits as its factorization.

2648131349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 2648131349 is about 51459.9975612125. The cubic root of 2648131349 is about 1383.5021578958.

The spelling of 2648131349 in words is "two billion, six hundred forty-eight million, one hundred thirty-one thousand, three hundred forty-nine".