2605968103 has 4 divisors (see below), whose sum is σ = 2719271088. Its totient is φ = 2492665120.

The previous prime is 2605968067. The next prime is 2605968107. The reversal of 2605968103 is 3018695062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3018695062 = 2 ⋅1509347531.

It is a cyclic number.

It is not a de Polignac number, because 2605968103 - 2¹³ = 2605959911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605968107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56651458 + ... + 56651503.

It is an arithmetic number, because the mean of its divisors is an integer number (679817772).

Almost surely, 2^2605968103 is an apocalyptic number.

2605968103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2605968103 is a deficient number, since it is larger than the sum of its proper divisors (113302985).

2605968103 is a wasteful number, since it uses less digits than its factorization.

2605968103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113302984.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2605968103 is about 51048.6836558985. The cubic root of 2605968103 is about 1376.1201852091.

The spelling of 2605968103 in words is "two billion, six hundred five million, nine hundred sixty-eight thousand, one hundred three".