20403043213379 has 2 divisors, whose sum is σ = 20403043213380. Its totient is φ = 20403043213378.

The previous prime is 20403043213253. The next prime is 20403043213403. The reversal of 20403043213379 is 97331234030402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20403043213379 - 2⁴⁴ = 2810857168963 is a prime.

It is not a weakly prime, because it can be changed into another prime (20403043212379) 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, 10201521606689 + 10201521606690.

It is an arithmetic number, because the mean of its divisors is an integer number (10201521606690).

Almost surely, 2^{20403043213379} is an apocalyptic number.

20403043213379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20403043213379 is an equidigital number, since it uses as much as digits as its factorization.

20403043213379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 20403043213379 in words is "twenty trillion, four hundred three billion, forty-three million, two hundred thirteen thousand, three hundred seventy-nine".