2102668297 has 2 divisors, whose sum is σ = 2102668298. Its totient is φ = 2102668296.

The previous prime is 2102668277. The next prime is 2102668331. The reversal of 2102668297 is 7928662012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1420988416 + 681679881 = 37696^2 + 26109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102668297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102668207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051334148 + 1051334149.

It is an arithmetic number, because the mean of its divisors is an integer number (1051334149).

Almost surely, 2^2102668297 is an apocalyptic number.

It is an amenable number.

2102668297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102668297 is an equidigital number, since it uses as much as digits as its factorization.

2102668297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 2102668297 is about 45854.8612144885. The cubic root of 2102668297 is about 1281.1213109154.

The spelling of 2102668297 in words is "two billion, one hundred two million, six hundred sixty-eight thousand, two hundred ninety-seven".