2103618137 has 2 divisors, whose sum is σ = 2103618138. Its totient is φ = 2103618136.

The previous prime is 2103618109. The next prime is 2103618163. The reversal of 2103618137 is 7318163012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1219685776 + 883932361 = 34924^2 + 29731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103618137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103618197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051809068 + 1051809069.

It is an arithmetic number, because the mean of its divisors is an integer number (1051809069).

Almost surely, 2^2103618137 is an apocalyptic number.

It is an amenable number.

2103618137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103618137 is an equidigital number, since it uses as much as digits as its factorization.

2103618137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2103618137 is about 45865.2170713276. The cubic root of 2103618137 is about 1281.3141891871.

The spelling of 2103618137 in words is "two billion, one hundred three million, six hundred eighteen thousand, one hundred thirty-seven".