2103554413 has 2 divisors, whose sum is σ = 2103554414. Its totient is φ = 2103554412.

The previous prime is 2103554399. The next prime is 2103554441. The reversal of 2103554413 is 3144553012.

It is an a-pointer prime, because the next prime (2103554441) can be obtained adding 2103554413 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2066429764 + 37124649 = 45458^2 + 6093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103554413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103554443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051777206 + 1051777207.

It is an arithmetic number, because the mean of its divisors is an integer number (1051777207).

Almost surely, 2^2103554413 is an apocalyptic number.

It is an amenable number.

2103554413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103554413 is an equidigital number, since it uses as much as digits as its factorization.

2103554413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2103554413 is about 45864.5223784136. The cubic root of 2103554413 is about 1281.3012509564.

It can be divided in two parts, 2103 and 554413, that added together give a square (556516 = 746²).

The spelling of 2103554413 in words is "two billion, one hundred three million, five hundred fifty-four thousand, four hundred thirteen".