2649452387 has 2 divisors, whose sum is σ = 2649452388. Its totient is φ = 2649452386.

The previous prime is 2649452357. The next prime is 2649452411. The reversal of 2649452387 is 7832549462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2649452387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2649452357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324726193 + 1324726194.

It is an arithmetic number, because the mean of its divisors is an integer number (1324726194).

Almost surely, 2^2649452387 is an apocalyptic number.

2649452387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649452387 is an equidigital number, since it uses as much as digits as its factorization.

2649452387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The square root of 2649452387 is about 51472.8315424749. The cubic root of 2649452387 is about 1383.7321760802.

The spelling of 2649452387 in words is "two billion, six hundred forty-nine million, four hundred fifty-two thousand, three hundred eighty-seven".