34364435821 has 2 divisors, whose sum is σ = 34364435822. Its totient is φ = 34364435820.

The previous prime is 34364435813. The next prime is 34364435857. The reversal of 34364435821 is 12853446343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28338018921 + 6026416900 = 168339^2 + 77630^2 .

It is a cyclic number.

It is not a de Polignac number, because 34364435821 - 2³ = 34364435813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34364435891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17182217910 + 17182217911.

It is an arithmetic number, because the mean of its divisors is an integer number (17182217911).

Almost surely, 2^34364435821 is an apocalyptic number.

It is an amenable number.

34364435821 is a deficient number, since it is larger than the sum of its proper divisors (1).

34364435821 is an equidigital number, since it uses as much as digits as its factorization.

34364435821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 43.

The spelling of 34364435821 in words is "thirty-four billion, three hundred sixty-four million, four hundred thirty-five thousand, eight hundred twenty-one".