34444425215821 has 2 divisors, whose sum is σ = 34444425215822. Its totient is φ = 34444425215820.

The previous prime is 34444425215807. The next prime is 34444425215831. The reversal of 34444425215821 is 12851252444443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25263440375625 + 9180984840196 = 5026275^2 + 3030014^2 .

It is a cyclic number.

It is not a de Polignac number, because 34444425215821 - 2⁵ = 34444425215789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34444425215831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17222212607910 + 17222212607911.

It is an arithmetic number, because the mean of its divisors is an integer number (17222212607911).

Almost surely, 2^{34444425215821} is an apocalyptic number.

It is an amenable number.

34444425215821 is a deficient number, since it is larger than the sum of its proper divisors (1).

34444425215821 is an equidigital number, since it uses as much as digits as its factorization.

34444425215821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4915200, while the sum is 49.

The spelling of 34444425215821 in words is "thirty-four trillion, four hundred forty-four billion, four hundred twenty-five million, two hundred fifteen thousand, eight hundred twenty-one".