21282119347 has 2 divisors, whose sum is σ = 21282119348. Its totient is φ = 21282119346.

The previous prime is 21282119311. The next prime is 21282119357. The reversal of 21282119347 is 74391128212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21282119347 - 2²³ = 21273730739 is a prime.

It is not a weakly prime, because it can be changed into another prime (21282119357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10641059673 + 10641059674.

It is an arithmetic number, because the mean of its divisors is an integer number (10641059674).

Almost surely, 2^21282119347 is an apocalyptic number.

21282119347 is a deficient number, since it is larger than the sum of its proper divisors (1).

21282119347 is an equidigital number, since it uses as much as digits as its factorization.

21282119347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The spelling of 21282119347 in words is "twenty-one billion, two hundred eighty-two million, one hundred nineteen thousand, three hundred forty-seven".