20034352431479 has 2 divisors, whose sum is σ = 20034352431480. Its totient is φ = 20034352431478.

The previous prime is 20034352431419. The next prime is 20034352431593. The reversal of 20034352431479 is 97413425343002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20034352431479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20034352431419) 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, 10017176215739 + 10017176215740.

It is an arithmetic number, because the mean of its divisors is an integer number (10017176215740).

Almost surely, 2^{20034352431479} is an apocalyptic number.

20034352431479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034352431479 is an equidigital number, since it uses as much as digits as its factorization.

20034352431479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 20034352431479 in words is "twenty trillion, thirty-four billion, three hundred fifty-two million, four hundred thirty-one thousand, four hundred seventy-nine".