614053521421 has 2 divisors, whose sum is σ = 614053521422. Its totient is φ = 614053521420.

The previous prime is 614053521413. The next prime is 614053521449. The reversal of 614053521421 is 124125350416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307814136100 + 306239385321 = 554810^2 + 553389^2 .

It is a cyclic number.

It is not a de Polignac number, because 614053521421 - 2³ = 614053521413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614053521821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307026760710 + 307026760711.

It is an arithmetic number, because the mean of its divisors is an integer number (307026760711).

Almost surely, 2^614053521421 is an apocalyptic number.

It is an amenable number.

614053521421 is a deficient number, since it is larger than the sum of its proper divisors (1).

614053521421 is an equidigital number, since it uses as much as digits as its factorization.

614053521421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 614053521421 its reverse (124125350416), we get a palindrome (738178871837).

The spelling of 614053521421 in words is "six hundred fourteen billion, fifty-three million, five hundred twenty-one thousand, four hundred twenty-one".