2103982913 has 4 divisors (see below), whose sum is σ = 2113954608. Its totient is φ = 2094011220.

The previous prime is 2103982877. The next prime is 2103982919. The reversal of 2103982913 is 3192893012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2103982913 - 2¹⁰ = 2103981889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103982919) 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, 4985531 + ... + 4985952.

It is an arithmetic number, because the mean of its divisors is an integer number (528488652).

Almost surely, 2^2103982913 is an apocalyptic number.

It is an amenable number.

2103982913 is a deficient number, since it is larger than the sum of its proper divisors (9971695).

2103982913 is an equidigital number, since it uses as much as digits as its factorization.

2103982913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971694.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2103982913 is about 45869.1935071896. The cubic root of 2103982913 is about 1281.3882466159.

The spelling of 2103982913 in words is "two billion, one hundred three million, nine hundred eighty-two thousand, nine hundred thirteen".