2646752239 has 2 divisors, whose sum is σ = 2646752240. Its totient is φ = 2646752238.

The previous prime is 2646752197. The next prime is 2646752249. The reversal of 2646752239 is 9322576462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2646752239 - 2⁷ = 2646752111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646752249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323376119 + 1323376120.

It is an arithmetic number, because the mean of its divisors is an integer number (1323376120).

Almost surely, 2^2646752239 is an apocalyptic number.

2646752239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646752239 is an equidigital number, since it uses as much as digits as its factorization.

2646752239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 46.

The square root of 2646752239 is about 51446.5959904054. The cubic root of 2646752239 is about 1383.2619466266.

The spelling of 2646752239 in words is "two billion, six hundred forty-six million, seven hundred fifty-two thousand, two hundred thirty-nine".