2102960947 has 4 divisors (see below), whose sum is σ = 2119014216. Its totient is φ = 2086907680.

The previous prime is 2102960927. The next prime is 2102961041. The reversal of 2102960947 is 7490692012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102960947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102960917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8026438 + ... + 8026699.

It is an arithmetic number, because the mean of its divisors is an integer number (529753554).

Almost surely, 2^2102960947 is an apocalyptic number.

2102960947 is a deficient number, since it is larger than the sum of its proper divisors (16053269).

2102960947 is a wasteful number, since it uses less digits than its factorization.

2102960947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16053268.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2102960947 is about 45858.0521500859. The cubic root of 2102960947 is about 1281.1807437735.

The spelling of 2102960947 in words is "two billion, one hundred two million, nine hundred sixty thousand, nine hundred forty-seven".