2601619381297 has 2 divisors, whose sum is σ = 2601619381298. Its totient is φ = 2601619381296.

The previous prime is 2601619381259. The next prime is 2601619381313. The reversal of 2601619381297 is 7921839161062.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2574744369201 + 26875012096 = 1604601^2 + 163936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2601619381297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2601619381217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300809690648 + 1300809690649.

It is an arithmetic number, because the mean of its divisors is an integer number (1300809690649).

Almost surely, 2^{2601619381297} is an apocalyptic number.

It is an amenable number.

2601619381297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601619381297 is an equidigital number, since it uses as much as digits as its factorization.

2601619381297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 2601619381297 in words is "two trillion, six hundred one billion, six hundred nineteen million, three hundred eighty-one thousand, two hundred ninety-seven".