2113703416457 has 2 divisors, whose sum is σ = 2113703416458. Its totient is φ = 2113703416456.

The previous prime is 2113703416453. The next prime is 2113703416481. The reversal of 2113703416457 is 7546143073112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1529486252176 + 584217164281 = 1236724^2 + 764341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113703416457 - 2² = 2113703416453 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113703416453) 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, 1056851708228 + 1056851708229.

It is an arithmetic number, because the mean of its divisors is an integer number (1056851708229).

Almost surely, 2^{2113703416457} is an apocalyptic number.

It is an amenable number.

2113703416457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113703416457 is an equidigital number, since it uses as much as digits as its factorization.

2113703416457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

Adding to 2113703416457 its reverse (7546143073112), we get a palindrome (9659846489569).

The spelling of 2113703416457 in words is "two trillion, one hundred thirteen billion, seven hundred three million, four hundred sixteen thousand, four hundred fifty-seven".