2143179061 has 4 divisors (see below), whose sum is σ = 2150070624. Its totient is φ = 2136287500.

The previous prime is 2143179047. The next prime is 2143179107. The reversal of 2143179061 is 1609713412.

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 2143179061 - 2⁵ = 2143179029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843179061) 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, 3445315 + ... + 3445936.

It is an arithmetic number, because the mean of its divisors is an integer number (537517656).

Almost surely, 2^2143179061 is an apocalyptic number.

It is an amenable number.

2143179061 is a deficient number, since it is larger than the sum of its proper divisors (6891563).

2143179061 is an equidigital number, since it uses as much as digits as its factorization.

2143179061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891562.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2143179061 is about 46294.4819713970. The cubic root of 2143179061 is about 1289.2965459383.

The spelling of 2143179061 in words is "two billion, one hundred forty-three million, one hundred seventy-nine thousand, sixty-one".