2215662699373 has 2 divisors, whose sum is σ = 2215662699374. Its totient is φ = 2215662699372.

The previous prime is 2215662699347. The next prime is 2215662699401. The reversal of 2215662699373 is 3739962665122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287902680164 + 927760019209 = 1134858^2 + 963203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215662699373 is a prime.

It is a super-2 number, since 2×2215662699373² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215662699973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107831349686 + 1107831349687.

It is an arithmetic number, because the mean of its divisors is an integer number (1107831349687).

Almost surely, 2^{2215662699373} is an apocalyptic number.

It is an amenable number.

2215662699373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215662699373 is an equidigital number, since it uses as much as digits as its factorization.

2215662699373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44089920, while the sum is 61.

The spelling of 2215662699373 in words is "two trillion, two hundred fifteen billion, six hundred sixty-two million, six hundred ninety-nine thousand, three hundred seventy-three".