34821015641 has 2 divisors, whose sum is σ = 34821015642. Its totient is φ = 34821015640.

The previous prime is 34821015599. The next prime is 34821015643. The reversal of 34821015641 is 14651012843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23114641225 + 11706374416 = 152035^2 + 108196^2 .

It is a cyclic number.

It is not a de Polignac number, because 34821015641 - 2¹⁰ = 34821014617 is a prime.

Together with 34821015643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34821015643) 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, 17410507820 + 17410507821.

It is an arithmetic number, because the mean of its divisors is an integer number (17410507821).

Almost surely, 2^34821015641 is an apocalyptic number.

It is an amenable number.

34821015641 is a deficient number, since it is larger than the sum of its proper divisors (1).

34821015641 is an equidigital number, since it uses as much as digits as its factorization.

34821015641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 34821015641 in words is "thirty-four billion, eight hundred twenty-one million, fifteen thousand, six hundred forty-one".