4016055225421 has 2 divisors, whose sum is σ = 4016055225422. Its totient is φ = 4016055225420.

The previous prime is 4016055225419. The next prime is 4016055225443. The reversal of 4016055225421 is 1245225506104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3897805209796 + 118250015625 = 1974286^2 + 343875^2 .

It is a cyclic number.

It is not a de Polignac number, because 4016055225421 - 2¹ = 4016055225419 is a prime.

It is a super-2 number, since 2×4016055225421² (a number of 26 digits) contains 22 as substring.

Together with 4016055225419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4016055225491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2008027612710 + 2008027612711.

It is an arithmetic number, because the mean of its divisors is an integer number (2008027612711).

Almost surely, 2^{4016055225421} is an apocalyptic number.

It is an amenable number.

4016055225421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4016055225421 is an equidigital number, since it uses as much as digits as its factorization.

4016055225421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 4016055225421 in words is "four trillion, sixteen billion, fifty-five million, two hundred twenty-five thousand, four hundred twenty-one".