2100440013 has 16 divisors (see below), whose sum is σ = 3287176320. Its totient is φ = 1167811776.

The previous prime is 2100440003. The next prime is 2100440029. The reversal of 2100440013 is 3100440012.

It is not a de Polignac number, because 2100440013 - 2⁴ = 2100439997 is a prime.

It is a super-2 number, since 2×2100440013² = 8823696496422880338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100439974 and 2100440001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100440003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350858 + ... + 1352411.

It is an arithmetic number, because the mean of its divisors is an integer number (205448520).

Almost surely, 2^2100440013 is an apocalyptic number.

It is an amenable number.

2100440013 is a deficient number, since it is larger than the sum of its proper divisors (1186736307).

2100440013 is a wasteful number, since it uses less digits than its factorization.

2100440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703316.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2100440013 is about 45830.5576335266. The cubic root of 2100440013 is about 1280.6685986589.

Adding to 2100440013 its reverse (3100440012), we get a palindrome (5200880025).

Subtracting 2100440013 from its reverse (3100440012), we obtain a palindrome (999999999).

The spelling of 2100440013 in words is "two billion, one hundred million, four hundred forty thousand, thirteen".