2102424241997 has 2 divisors, whose sum is σ = 2102424241998. Its totient is φ = 2102424241996.

The previous prime is 2102424241991. The next prime is 2102424241999. The reversal of 2102424241997 is 7991424242012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1525388024356 + 577036217641 = 1235066^2 + 759629^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102424241997 - 2³² = 2098129274701 is a prime.

Together with 2102424241999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102424241991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051212120998 + 1051212120999.

It is an arithmetic number, because the mean of its divisors is an integer number (1051212120999).

Almost surely, 2^{2102424241997} is an apocalyptic number.

It is an amenable number.

2102424241997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102424241997 is an equidigital number, since it uses as much as digits as its factorization.

2102424241997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 2102424241997 in words is "two trillion, one hundred two billion, four hundred twenty-four million, two hundred forty-one thousand, nine hundred ninety-seven".