2104731220597 has 2 divisors, whose sum is σ = 2104731220598. Its totient is φ = 2104731220596.

The previous prime is 2104731220583. The next prime is 2104731220649. The reversal of 2104731220597 is 7950221374012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314127493316 + 790603727281 = 1146354^2 + 889159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104731220597 - 2¹¹ = 2104731218549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104731220577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052365610298 + 1052365610299.

It is an arithmetic number, because the mean of its divisors is an integer number (1052365610299).

Almost surely, 2^{2104731220597} is an apocalyptic number.

It is an amenable number.

2104731220597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104731220597 is an equidigital number, since it uses as much as digits as its factorization.

2104731220597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 2104731220597 in words is "two trillion, one hundred four billion, seven hundred thirty-one million, two hundred twenty thousand, five hundred ninety-seven".