2108003957 has 2 divisors, whose sum is σ = 2108003958. Its totient is φ = 2108003956.

The previous prime is 2108003951. The next prime is 2108004013. The reversal of 2108003957 is 7593008012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2105066161 + 2937796 = 45881^2 + 1714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108003957 - 2¹⁸ = 2107741813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108003951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054001978 + 1054001979.

It is an arithmetic number, because the mean of its divisors is an integer number (1054001979).

Almost surely, 2^2108003957 is an apocalyptic number.

It is an amenable number.

2108003957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108003957 is an equidigital number, since it uses as much as digits as its factorization.

2108003957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 2108003957 is about 45913.0042253826. The cubic root of 2108003957 is about 1282.2040389787.

The spelling of 2108003957 in words is "two billion, one hundred eight million, three thousand, nine hundred fifty-seven".