21341367379 has 2 divisors, whose sum is σ = 21341367380. Its totient is φ = 21341367378.

The previous prime is 21341367353. The next prime is 21341367391. The reversal of 21341367379 is 97376314312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21341367379 - 2¹³ = 21341359187 is a prime.

It is not a weakly prime, because it can be changed into another prime (21341367319) 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, 10670683689 + 10670683690.

It is an arithmetic number, because the mean of its divisors is an integer number (10670683690).

Almost surely, 2^21341367379 is an apocalyptic number.

21341367379 is a deficient number, since it is larger than the sum of its proper divisors (1).

21341367379 is an equidigital number, since it uses as much as digits as its factorization.

21341367379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The spelling of 21341367379 in words is "twenty-one billion, three hundred forty-one million, three hundred sixty-seven thousand, three hundred seventy-nine".