2097842057 has 2 divisors, whose sum is σ = 2097842058. Its totient is φ = 2097842056.

The previous prime is 2097842053. The next prime is 2097842093. The reversal of 2097842057 is 7502487902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2073527296 + 24314761 = 45536^2 + 4931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097842057 - 2² = 2097842053 is a prime.

It is a super-2 number, since 2×2097842057² = 8801882592235982498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2097841999 and 2097842017.

It is not a weakly prime, because it can be changed into another prime (2097842053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048921028 + 1048921029.

It is an arithmetic number, because the mean of its divisors is an integer number (1048921029).

Almost surely, 2^2097842057 is an apocalyptic number.

It is an amenable number.

2097842057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097842057 is an equidigital number, since it uses as much as digits as its factorization.

2097842057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2097842057 is about 45802.2058093276. The cubic root of 2097842057 is about 1280.1403770604.

The spelling of 2097842057 in words is "two billion, ninety-seven million, eight hundred forty-two thousand, fifty-seven".