21314445707 has 2 divisors, whose sum is σ = 21314445708. Its totient is φ = 21314445706.

The previous prime is 21314445701. The next prime is 21314445743. The reversal of 21314445707 is 70754441312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21314445707 - 2³⁰ = 20240703883 is a prime.

It is not a weakly prime, because it can be changed into another prime (21314445701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10657222853 + 10657222854.

It is an arithmetic number, because the mean of its divisors is an integer number (10657222854).

Almost surely, 2^21314445707 is an apocalyptic number.

21314445707 is a deficient number, since it is larger than the sum of its proper divisors (1).

21314445707 is an equidigital number, since it uses as much as digits as its factorization.

21314445707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 21314445707 in words is "twenty-one billion, three hundred fourteen million, four hundred forty-five thousand, seven hundred seven".