34027027621 has 2 divisors, whose sum is σ = 34027027622. Its totient is φ = 34027027620.

The previous prime is 34027027613. The next prime is 34027027631. The reversal of 34027027621 is 12672072043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18411776100 + 15615251521 = 135690^2 + 124961^2 .

It is a cyclic number.

It is not a de Polignac number, because 34027027621 - 2³ = 34027027613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34027027631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17013513810 + 17013513811.

It is an arithmetic number, because the mean of its divisors is an integer number (17013513811).

Almost surely, 2^34027027621 is an apocalyptic number.

It is an amenable number.

34027027621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34027027621 is an equidigital number, since it uses as much as digits as its factorization.

34027027621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 34027027621 its reverse (12672072043), we get a palindrome (46699099664).

The spelling of 34027027621 in words is "thirty-four billion, twenty-seven million, twenty-seven thousand, six hundred twenty-one".