2003118797 has 2 divisors, whose sum is σ = 2003118798. Its totient is φ = 2003118796.

The previous prime is 2003118749. The next prime is 2003118851. The reversal of 2003118797 is 7978113002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1934328361 + 68790436 = 43981^2 + 8294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003118797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003118797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003418797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001559398 + 1001559399.

It is an arithmetic number, because the mean of its divisors is an integer number (1001559399).

Almost surely, 2^2003118797 is an apocalyptic number.

It is an amenable number.

2003118797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003118797 is an equidigital number, since it uses as much as digits as its factorization.

2003118797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 2003118797 is about 44756.2151773360. The cubic root of 2003118797 is about 1260.5756161013.

The spelling of 2003118797 in words is "two billion, three million, one hundred eighteen thousand, seven hundred ninety-seven".