2103642084389 has 2 divisors, whose sum is σ = 2103642084390. Its totient is φ = 2103642084388.

The previous prime is 2103642084373. The next prime is 2103642084437. The reversal of 2103642084389 is 9834802463012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2061067952164 + 42574132225 = 1435642^2 + 206335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103642084389 - 2⁴ = 2103642084373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103642084359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051821042194 + 1051821042195.

It is an arithmetic number, because the mean of its divisors is an integer number (1051821042195).

Almost surely, 2^{2103642084389} is an apocalyptic number.

It is an amenable number.

2103642084389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103642084389 is an equidigital number, since it uses as much as digits as its factorization.

2103642084389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 2103642084389 in words is "two trillion, one hundred three billion, six hundred forty-two million, eighty-four thousand, three hundred eighty-nine".