2103738517 has 2 divisors, whose sum is σ = 2103738518. Its totient is φ = 2103738516.

The previous prime is 2103738437. The next prime is 2103738529. The reversal of 2103738517 is 7158373012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2055171556 + 48566961 = 45334^2 + 6969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103738517 - 2¹⁹ = 2103214229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103738817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051869258 + 1051869259.

It is an arithmetic number, because the mean of its divisors is an integer number (1051869259).

Almost surely, 2^2103738517 is an apocalyptic number.

It is an amenable number.

2103738517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103738517 is an equidigital number, since it uses as much as digits as its factorization.

2103738517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 2103738517 is about 45866.5293760058. The cubic root of 2103738517 is about 1281.3386298808.

The spelling of 2103738517 in words is "two billion, one hundred three million, seven hundred thirty-eight thousand, five hundred seventeen".