2219027379397 has 2 divisors, whose sum is σ = 2219027379398. Its totient is φ = 2219027379396.

The previous prime is 2219027379383. The next prime is 2219027379449. The reversal of 2219027379397 is 7939737209122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2194800768196 + 24226611201 = 1481486^2 + 155649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219027379397 - 2⁷ = 2219027379269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2219027370397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109513689698 + 1109513689699.

It is an arithmetic number, because the mean of its divisors is an integer number (1109513689699).

Almost surely, 2^{2219027379397} is an apocalyptic number.

It is an amenable number.

2219027379397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219027379397 is an equidigital number, since it uses as much as digits as its factorization.

2219027379397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18003384, while the sum is 61.

The spelling of 2219027379397 in words is "two trillion, two hundred nineteen billion, twenty-seven million, three hundred seventy-nine thousand, three hundred ninety-seven".