2645420103 has 24 divisors (see below), whose sum is σ = 4024828080. Its totient is φ = 1669731840.

The previous prime is 2645420093. The next prime is 2645420143. The reversal of 2645420103 is 3010245462.

2645420103 is a `hidden beast` number, since 2 + 6 + 454 + 201 + 0 + 3 = 666.

It is not a de Polignac number, because 2645420103 - 2⁴ = 2645420087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645420143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333463 + ... + 341303.

It is an arithmetic number, because the mean of its divisors is an integer number (167701170).

Almost surely, 2^2645420103 is an apocalyptic number.

2645420103 is a deficient number, since it is larger than the sum of its proper divisors (1379407977).

2645420103 is a wasteful number, since it uses less digits than its factorization.

2645420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839 (or 9836 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2645420103 is about 51433.6475762705. The cubic root of 2645420103 is about 1383.0298379761.

Adding to 2645420103 its reverse (3010245462), we get a palindrome (5655665565).

The spelling of 2645420103 in words is "two billion, six hundred forty-five million, four hundred twenty thousand, one hundred three".