2103435005 has 12 divisors (see below), whose sum is σ = 2936223900. Its totient is φ = 1442355264.

The previous prime is 2103434981. The next prime is 2103435017. The reversal of 2103435005 is 5005343012.

It can be written as a sum of positive squares in 2 ways, for example, as 1534994041 + 568440964 = 39179^2 + 23842^2 .

It is not a de Polignac number, because 2103435005 - 2¹⁸ = 2103172861 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4292480 + ... + 4292969.

It is an arithmetic number, because the mean of its divisors is an integer number (244685325).

Almost surely, 2^2103435005 is an apocalyptic number.

It is an amenable number.

2103435005 is a deficient number, since it is larger than the sum of its proper divisors (832788895).

2103435005 is an equidigital number, since it uses as much as digits as its factorization.

2103435005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585468 (or 8585461 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2103435005 is about 45863.2206130359. The cubic root of 2103435005 is about 1281.2770061966.

Adding to 2103435005 its reverse (5005343012), we get a palindrome (7108778017).

The spelling of 2103435005 in words is "two billion, one hundred three million, four hundred thirty-five thousand, five".