2771422025381 has 2 divisors, whose sum is σ = 2771422025382. Its totient is φ = 2771422025380.

The previous prime is 2771422025341. The next prime is 2771422025389. The reversal of 2771422025381 is 1835202241772.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1916934397156 + 854487628225 = 1384534^2 + 924385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2771422025381 - 2¹⁸ = 2771421763237 is a prime.

It is a super-2 number, since 2×2771422025381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2771422025389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385711012690 + 1385711012691.

It is an arithmetic number, because the mean of its divisors is an integer number (1385711012691).

Almost surely, 2^{2771422025381} is an apocalyptic number.

It is an amenable number.

2771422025381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2771422025381 is an equidigital number, since it uses as much as digits as its factorization.

2771422025381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 2771422025381 in words is "two trillion, seven hundred seventy-one billion, four hundred twenty-two million, twenty-five thousand, three hundred eighty-one".