2101127793 has 4 divisors (see below), whose sum is σ = 2801503728. Its totient is φ = 1400751860.

The previous prime is 2101127789. The next prime is 2101127837. The reversal of 2101127793 is 3977211012.

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 2101127793 - 2² = 2101127789 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101127713) 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, 350187963 + ... + 350187968.

It is an arithmetic number, because the mean of its divisors is an integer number (700375932).

Almost surely, 2^2101127793 is an apocalyptic number.

It is an amenable number.

2101127793 is a deficient number, since it is larger than the sum of its proper divisors (700375935).

2101127793 is an equidigital number, since it uses as much as digits as its factorization.

2101127793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700375934.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 2101127793 is about 45838.0605283426. The cubic root of 2101127793 is about 1280.8083665362.

The spelling of 2101127793 in words is "two billion, one hundred one million, one hundred twenty-seven thousand, seven hundred ninety-three".