2121668295 has 8 divisors (see below), whose sum is σ = 3394669296. Its totient is φ = 1131556416.

The previous prime is 2121668291. The next prime is 2121668321. The reversal of 2121668295 is 5928661212.

2121668295 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121668295 - 2² = 2121668291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121668291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70722262 + ... + 70722291.

It is an arithmetic number, because the mean of its divisors is an integer number (424333662).

Almost surely, 2^2121668295 is an apocalyptic number.

2121668295 is a deficient number, since it is larger than the sum of its proper divisors (1273001001).

2121668295 is a wasteful number, since it uses less digits than its factorization.

2121668295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141444561.

The product of its digits is 103680, while the sum is 42.

The square root of 2121668295 is about 46061.5706961888. The cubic root of 2121668295 is about 1284.9685417766.

The spelling of 2121668295 in words is "two billion, one hundred twenty-one million, six hundred sixty-eight thousand, two hundred ninety-five".