2601993690047 has 2 divisors, whose sum is σ = 2601993690048. Its totient is φ = 2601993690046.

The previous prime is 2601993690041. The next prime is 2601993690073. The reversal of 2601993690047 is 7400963991062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2601993690047 - 2⁸ = 2601993689791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2601993689974 and 2601993690001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2601993690041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300996845023 + 1300996845024.

It is an arithmetic number, because the mean of its divisors is an integer number (1300996845024).

Almost surely, 2^{2601993690047} is an apocalyptic number.

2601993690047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601993690047 is an equidigital number, since it uses as much as digits as its factorization.

2601993690047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 2601993690047 in words is "two trillion, six hundred one billion, nine hundred ninety-three million, six hundred ninety thousand, forty-seven".