21430713883 has 2 divisors, whose sum is σ = 21430713884. Its totient is φ = 21430713882.

The previous prime is 21430713851. The next prime is 21430713923. The reversal of 21430713883 is 38831703412.

It is a happy number.

It is an a-pointer prime, because the next prime (21430713923) can be obtained adding 21430713883 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21430713883 - 2⁵ = 21430713851 is a prime.

It is not a weakly prime, because it can be changed into another prime (21430716883) 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, 10715356941 + 10715356942.

It is an arithmetic number, because the mean of its divisors is an integer number (10715356942).

Almost surely, 2^21430713883 is an apocalyptic number.

21430713883 is a deficient number, since it is larger than the sum of its proper divisors (1).

21430713883 is an equidigital number, since it uses as much as digits as its factorization.

21430713883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 21430713883 in words is "twenty-one billion, four hundred thirty million, seven hundred thirteen thousand, eight hundred eighty-three".