2182140929 has 4 divisors (see below), whose sum is σ = 2182901760. Its totient is φ = 2181380100.

The previous prime is 2182140913. The next prime is 2182140967. The reversal of 2182140929 is 9290412812.

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 2182140929 - 2⁴ = 2182140913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2182140892 and 2182140901.

It is not an unprimeable number, because it can be changed into a prime (2182140629) 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, 376097 + ... + 381854.

It is an arithmetic number, because the mean of its divisors is an integer number (545725440).

Almost surely, 2^2182140929 is an apocalyptic number.

It is an amenable number.

2182140929 is a deficient number, since it is larger than the sum of its proper divisors (760831).

2182140929 is an equidigital number, since it uses as much as digits as its factorization.

2182140929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760830.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2182140929 is about 46713.3913241160. The cubic root of 2182140929 is about 1297.0625845261.

The spelling of 2182140929 in words is "two billion, one hundred eighty-two million, one hundred forty thousand, nine hundred twenty-nine".