2179345442 has 8 divisors (see below), whose sum is σ = 3308404176. Its totient is φ = 1076544052.

The previous prime is 2179345439. The next prime is 2179345453. The reversal of 2179345442 is 2445439712.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2179345442.

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, 6564128 + ... + 6564459.

It is an arithmetic number, because the mean of its divisors is an integer number (413550522).

Almost surely, 2^2179345442 is an apocalyptic number.

2179345442 is a deficient number, since it is larger than the sum of its proper divisors (1129058734).

2179345442 is a wasteful number, since it uses less digits than its factorization.

2179345442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13128672.

The product of its digits is 241920, while the sum is 41.

The square root of 2179345442 is about 46683.4600474301. The cubic root of 2179345442 is about 1296.5084695272.

The spelling of 2179345442 in words is "two billion, one hundred seventy-nine million, three hundred forty-five thousand, four hundred forty-two".