2179399242 has 32 divisors (see below), whose sum is σ = 4512905280. Its totient is φ = 700824320.

The previous prime is 2179399217. The next prime is 2179399267. The reversal of 2179399242 is 2429939712.

It is an interprime number because it is at equal distance from previous prime (2179399217) and next prime (2179399267).

It is a junction number, because it is equal to n+sod(n) for n = 2179399191 and 2179399200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232213 + ... + 241415.

It is an arithmetic number, because the mean of its divisors is an integer number (141028290).

Almost surely, 2^2179399242 is an apocalyptic number.

2179399242 is an abundant number, since it is smaller than the sum of its proper divisors (2333506038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2179399242 is a wasteful number, since it uses less digits than its factorization.

2179399242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10598.

The product of its digits is 489888, while the sum is 48.

The square root of 2179399242 is about 46684.0362650874. The cubic root of 2179399242 is about 1296.5191381100.

The spelling of 2179399242 in words is "two billion, one hundred seventy-nine million, three hundred ninety-nine thousand, two hundred forty-two".