2220345440993 has 2 divisors, whose sum is σ = 2220345440994. Its totient is φ = 2220345440992.

The previous prime is 2220345440983. The next prime is 2220345441121. The reversal of 2220345440993 is 3990445430222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1558120573009 + 662224867984 = 1248247^2 + 813772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220345440993 - 2⁴ = 2220345440977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220345440983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110172720496 + 1110172720497.

It is an arithmetic number, because the mean of its divisors is an integer number (1110172720497).

Almost surely, 2^{2220345440993} is an apocalyptic number.

It is an amenable number.

2220345440993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220345440993 is an equidigital number, since it uses as much as digits as its factorization.

2220345440993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 2220345440993 in words is "two trillion, two hundred twenty billion, three hundred forty-five million, four hundred forty thousand, nine hundred ninety-three".