2121349795 has 4 divisors (see below), whose sum is σ = 2545619760. Its totient is φ = 1697079832.

The previous prime is 2121349771. The next prime is 2121349819. The reversal of 2121349795 is 5979431212.

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

It is an interprime number because it is at equal distance from previous prime (2121349771) and next prime (2121349819).

It is a cyclic number.

It is not a de Polignac number, because 2121349795 - 2¹¹ = 2121347747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212134975 + ... + 212134984.

It is an arithmetic number, because the mean of its divisors is an integer number (636404940).

Almost surely, 2^2121349795 is an apocalyptic number.

2121349795 is a deficient number, since it is larger than the sum of its proper divisors (424269965).

2121349795 is an equidigital number, since it uses as much as digits as its factorization.

2121349795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424269964.

The product of its digits is 136080, while the sum is 43.

The square root of 2121349795 is about 46058.1132375177. The cubic root of 2121349795 is about 1284.9042397110.

The spelling of 2121349795 in words is "two billion, one hundred twenty-one million, three hundred forty-nine thousand, seven hundred ninety-five".