3427253140061 has 2 divisors, whose sum is σ = 3427253140062. Its totient is φ = 3427253140060.

The previous prime is 3427253140033. The next prime is 3427253140063. The reversal of 3427253140061 is 1600413527243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1761940319161 + 1665312820900 = 1327381^2 + 1290470^2 .

It is an emirp because it is prime and its reverse (1600413527243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3427253140061 - 2⁶ = 3427253139997 is a prime.

Together with 3427253140063, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3427253139997 and 3427253140024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3427253140063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713626570030 + 1713626570031.

It is an arithmetic number, because the mean of its divisors is an integer number (1713626570031).

Almost surely, 2^{3427253140061} is an apocalyptic number.

It is an amenable number.

3427253140061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427253140061 is an equidigital number, since it uses as much as digits as its factorization.

3427253140061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 3427253140061 in words is "three trillion, four hundred twenty-seven billion, two hundred fifty-three million, one hundred forty thousand, sixty-one".