2271167405389 has 2 divisors, whose sum is σ = 2271167405390. Its totient is φ = 2271167405388.

The previous prime is 2271167405369. The next prime is 2271167405449. The reversal of 2271167405389 is 9835047611722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1307059433289 + 964107972100 = 1143267^2 + 981890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271167405389 - 2⁵ = 2271167405357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271167405369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135583702694 + 1135583702695.

It is an arithmetic number, because the mean of its divisors is an integer number (1135583702695).

It is a 1-persistent number, because it is pandigital, but 2⋅2271167405389 = 4542334810778 is not.

Almost surely, 2^{2271167405389} is an apocalyptic number.

It is an amenable number.

2271167405389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271167405389 is an equidigital number, since it uses as much as digits as its factorization.

2271167405389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 2271167405389 in words is "two trillion, two hundred seventy-one billion, one hundred sixty-seven million, four hundred five thousand, three hundred eighty-nine".