2100947441 has 4 divisors (see below), whose sum is σ = 2102151792. Its totient is φ = 2099743092.

The previous prime is 2100947419. The next prime is 2100947473. The reversal of 2100947441 is 1447490012.

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 2100947441 - 2¹⁴ = 2100931057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100947398 and 2100947407.

It is not an unprimeable number, because it can be changed into a prime (2100947041) 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, 599555 + ... + 603048.

It is an arithmetic number, because the mean of its divisors is an integer number (525537948).

Almost surely, 2^2100947441 is an apocalyptic number.

It is an amenable number.

2100947441 is a deficient number, since it is larger than the sum of its proper divisors (1204351).

2100947441 is a wasteful number, since it uses less digits than its factorization.

2100947441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204350.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2100947441 is about 45836.0932126638. The cubic root of 2100947441 is about 1280.7717190810.

The spelling of 2100947441 in words is "two billion, one hundred million, nine hundred forty-seven thousand, four hundred forty-one".