2185226813039 has 2 divisors, whose sum is σ = 2185226813040. Its totient is φ = 2185226813038.

The previous prime is 2185226812973. The next prime is 2185226813047. The reversal of 2185226813039 is 9303186225812.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2185226813039 - 2¹² = 2185226808943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2185226813239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092613406519 + 1092613406520.

It is an arithmetic number, because the mean of its divisors is an integer number (1092613406520).

Almost surely, 2^{2185226813039} is an apocalyptic number.

2185226813039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185226813039 is an equidigital number, since it uses as much as digits as its factorization.

2185226813039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 2185226813039 in words is "two trillion, one hundred eighty-five billion, two hundred twenty-six million, eight hundred thirteen thousand, thirty-nine".