2601993690073 has 2 divisors, whose sum is σ = 2601993690074. Its totient is φ = 2601993690072.

The previous prime is 2601993690047. The next prime is 2601993690077. The reversal of 2601993690073 is 3700963991062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2195055591184 + 406938098889 = 1481572^2 + 637917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2601993690073 - 2⁵ = 2601993690041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2601993689996 and 2601993690023.

It is not a weakly prime, because it can be changed into another prime (2601993690077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300996845036 + 1300996845037.

It is an arithmetic number, because the mean of its divisors is an integer number (1300996845037).

Almost surely, 2^{2601993690073} is an apocalyptic number.

It is an amenable number.

2601993690073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601993690073 is an equidigital number, since it uses as much as digits as its factorization.

2601993690073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 2601993690073 in words is "two trillion, six hundred one billion, nine hundred ninety-three million, six hundred ninety thousand, seventy-three".