2663421287 has 2 divisors, whose sum is σ = 2663421288. Its totient is φ = 2663421286.

The previous prime is 2663421259. The next prime is 2663421317. The reversal of 2663421287 is 7821243662.

2663421287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2663421287 - 2²⁰ = 2662372711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663421227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331710643 + 1331710644.

It is an arithmetic number, because the mean of its divisors is an integer number (1331710644).

Almost surely, 2^2663421287 is an apocalyptic number.

2663421287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663421287 is an equidigital number, since it uses as much as digits as its factorization.

2663421287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 2663421287 is about 51608.3451294459. The cubic root of 2663421287 is about 1386.1597651884.

The spelling of 2663421287 in words is "two billion, six hundred sixty-three million, four hundred twenty-one thousand, two hundred eighty-seven".