5627121418409 has 2 divisors, whose sum is σ = 5627121418410. Its totient is φ = 5627121418408.

The previous prime is 5627121418393. The next prime is 5627121418411. The reversal of 5627121418409 is 9048141217265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4100483251225 + 1526638167184 = 2024965^2 + 1235572^2 .

It is a cyclic number.

It is not a de Polignac number, because 5627121418409 - 2⁴ = 5627121418393 is a prime.

Together with 5627121418411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5627121418459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813560709204 + 2813560709205.

It is an arithmetic number, because the mean of its divisors is an integer number (2813560709205).

Almost surely, 2^{5627121418409} is an apocalyptic number.

It is an amenable number.

5627121418409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5627121418409 is an equidigital number, since it uses as much as digits as its factorization.

5627121418409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 5627121418409 in words is "five trillion, six hundred twenty-seven billion, one hundred twenty-one million, four hundred eighteen thousand, four hundred nine".