2645655487 has 2 divisors, whose sum is σ = 2645655488. Its totient is φ = 2645655486.

The previous prime is 2645655469. The next prime is 2645655497. The reversal of 2645655487 is 7845565462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645655487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645655457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322827743 + 1322827744.

It is an arithmetic number, because the mean of its divisors is an integer number (1322827744).

Almost surely, 2^2645655487 is an apocalyptic number.

2645655487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645655487 is an equidigital number, since it uses as much as digits as its factorization.

2645655487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064000, while the sum is 52.

The square root of 2645655487 is about 51435.9357550730. The cubic root of 2645655487 is about 1383.0708564694.

The spelling of 2645655487 in words is "two billion, six hundred forty-five million, six hundred fifty-five thousand, four hundred eighty-seven".