2101924793 has 4 divisors (see below), whose sum is σ = 2112594660. Its totient is φ = 2091254928.

The previous prime is 2101924777. The next prime is 2101924841. The reversal of 2101924793 is 3974291012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2073163024 + 28761769 = 45532^2 + 5363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101924793 - 2⁴ = 2101924777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101924703) 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, 5334638 + ... + 5335031.

It is an arithmetic number, because the mean of its divisors is an integer number (528148665).

Almost surely, 2^2101924793 is an apocalyptic number.

It is an amenable number.

2101924793 is a deficient number, since it is larger than the sum of its proper divisors (10669867).

2101924793 is a wasteful number, since it uses less digits than its factorization.

2101924793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669866.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2101924793 is about 45846.7533528820. The cubic root of 2101924793 is about 1280.9702915158.

The spelling of 2101924793 in words is "two billion, one hundred one million, nine hundred twenty-four thousand, seven hundred ninety-three".