2103724465 has 16 divisors (see below), whose sum is σ = 2580387840. Its totient is φ = 1645762240.

The previous prime is 2103724433. The next prime is 2103724487. The reversal of 2103724465 is 5644273012.

It is not a de Polignac number, because 2103724465 - 2⁵ = 2103724433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103724465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335055 + ... + 341275.

It is an arithmetic number, because the mean of its divisors is an integer number (161274240).

Almost surely, 2^2103724465 is an apocalyptic number.

It is an amenable number.

2103724465 is a deficient number, since it is larger than the sum of its proper divisors (476663375).

2103724465 is a wasteful number, since it uses less digits than its factorization.

2103724465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2103724465 is about 45866.3761921519. The cubic root of 2103724465 is about 1281.3357769581.

Adding to 2103724465 its reverse (5644273012), we get a palindrome (7747997477).

The spelling of 2103724465 in words is "two billion, one hundred three million, seven hundred twenty-four thousand, four hundred sixty-five".