3524271559421 has 2 divisors, whose sum is σ = 3524271559422. Its totient is φ = 3524271559420.

The previous prime is 3524271559379. The next prime is 3524271559423. The reversal of 3524271559421 is 1249551724253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2423159222500 + 1101112336921 = 1556650^2 + 1049339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3524271559421 - 2⁶ = 3524271559357 is a prime.

It is a Sophie Germain prime.

Together with 3524271559423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3524271559421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3524271559423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762135779710 + 1762135779711.

It is an arithmetic number, because the mean of its divisors is an integer number (1762135779711).

Almost surely, 2^{3524271559421} is an apocalyptic number.

It is an amenable number.

3524271559421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3524271559421 is an equidigital number, since it uses as much as digits as its factorization.

3524271559421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 50.

The spelling of 3524271559421 in words is "three trillion, five hundred twenty-four billion, two hundred seventy-one million, five hundred fifty-nine thousand, four hundred twenty-one".