2143079247 has 8 divisors (see below), whose sum is σ = 2857654656. Its totient is φ = 1428611672.

The previous prime is 2143079231. The next prime is 2143079249. The reversal of 2143079247 is 7429703412.

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

It is a cyclic number.

It is not a de Polignac number, because 2143079247 - 2⁴ = 2143079231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143079249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55108 + ... + 85574.

It is an arithmetic number, because the mean of its divisors is an integer number (357206832).

Almost surely, 2^2143079247 is an apocalyptic number.

2143079247 is a deficient number, since it is larger than the sum of its proper divisors (714575409).

2143079247 is a wasteful number, since it uses less digits than its factorization.

2143079247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53917.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 2143079247 is about 46293.4039253974. The cubic root of 2143079247 is about 1289.2765302141.

The spelling of 2143079247 in words is "two billion, one hundred forty-three million, seventy-nine thousand, two hundred forty-seven".