2215727134693 has 2 divisors, whose sum is σ = 2215727134694. Its totient is φ = 2215727134692.

The previous prime is 2215727134681. The next prime is 2215727134703. The reversal of 2215727134693 is 3964317275122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1692619214049 + 523107920644 = 1301007^2 + 723262^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215727134693 - 2¹⁷ = 2215727003621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215727134693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215727134633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107863567346 + 1107863567347.

It is an arithmetic number, because the mean of its divisors is an integer number (1107863567347).

Almost surely, 2^{2215727134693} is an apocalyptic number.

It is an amenable number.

2215727134693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215727134693 is an equidigital number, since it uses as much as digits as its factorization.

2215727134693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 52.

The spelling of 2215727134693 in words is "two trillion, two hundred fifteen billion, seven hundred twenty-seven million, one hundred thirty-four thousand, six hundred ninety-three".