21364767054107 has 2 divisors, whose sum is σ = 21364767054108. Its totient is φ = 21364767054106.

The previous prime is 21364767054079. The next prime is 21364767054143. The reversal of 21364767054107 is 70145076746312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21364767054107 - 2¹⁶ = 21364766988571 is a prime.

It is not a weakly prime, because it can be changed into another prime (21364767051107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10682383527053 + 10682383527054.

It is an arithmetic number, because the mean of its divisors is an integer number (10682383527054).

Almost surely, 2^{21364767054107} is an apocalyptic number.

21364767054107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21364767054107 is an equidigital number, since it uses as much as digits as its factorization.

21364767054107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 21364767054107 in words is "twenty-one trillion, three hundred sixty-four billion, seven hundred sixty-seven million, fifty-four thousand, one hundred seven".