2102344213397 has 2 divisors, whose sum is σ = 2102344213398. Its totient is φ = 2102344213396.

The previous prime is 2102344213393. The next prime is 2102344213439. The reversal of 2102344213397 is 7933124432012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1419686548036 + 682657665361 = 1191506^2 + 826231^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102344213397 - 2² = 2102344213393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102344213391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051172106698 + 1051172106699.

It is an arithmetic number, because the mean of its divisors is an integer number (1051172106699).

Almost surely, 2^{2102344213397} is an apocalyptic number.

It is an amenable number.

2102344213397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102344213397 is an equidigital number, since it uses as much as digits as its factorization.

2102344213397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 2102344213397 in words is "two trillion, one hundred two billion, three hundred forty-four million, two hundred thirteen thousand, three hundred ninety-seven".