34251420555421 has 2 divisors, whose sum is σ = 34251420555422. Its totient is φ = 34251420555420.

The previous prime is 34251420555377. The next prime is 34251420555439. The reversal of 34251420555421 is 12455502415243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31630939491321 + 2620481064100 = 5624139^2 + 1618790^2 .

It is a cyclic number.

It is not a de Polignac number, because 34251420555421 - 2¹¹ = 34251420553373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34251420555721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17125710277710 + 17125710277711.

It is an arithmetic number, because the mean of its divisors is an integer number (17125710277711).

Almost surely, 2^{34251420555421} is an apocalyptic number.

It is an amenable number.

34251420555421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34251420555421 is an equidigital number, since it uses as much as digits as its factorization.

34251420555421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 34251420555421 in words is "thirty-four trillion, two hundred fifty-one billion, four hundred twenty million, five hundred fifty-five thousand, four hundred twenty-one".