34042164421 has 2 divisors, whose sum is σ = 34042164422. Its totient is φ = 34042164420.

The previous prime is 34042164407. The next prime is 34042164427. The reversal of 34042164421 is 12446124043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23843992225 + 10198172196 = 154415^2 + 100986^2 .

It is a cyclic number.

It is not a de Polignac number, because 34042164421 - 2¹⁷ = 34042033349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34042164427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17021082210 + 17021082211.

It is an arithmetic number, because the mean of its divisors is an integer number (17021082211).

Almost surely, 2^34042164421 is an apocalyptic number.

It is an amenable number.

34042164421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34042164421 is an equidigital number, since it uses as much as digits as its factorization.

34042164421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 34042164421 its reverse (12446124043), we get a palindrome (46488288464).

The spelling of 34042164421 in words is "thirty-four billion, forty-two million, one hundred sixty-four thousand, four hundred twenty-one".