2379279309 has 8 divisors (see below), whose sum is σ = 3460769952. Its totient is φ = 1441987440.

The previous prime is 2379279293. The next prime is 2379279347. The reversal of 2379279309 is 9039729732.

It is a happy number.

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

It is not a de Polignac number, because 2379279309 - 2⁴ = 2379279293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2379279379) 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, 36049654 + ... + 36049719.

It is an arithmetic number, because the mean of its divisors is an integer number (432596244).

Almost surely, 2^2379279309 is an apocalyptic number.

It is an amenable number.

2379279309 is a deficient number, since it is larger than the sum of its proper divisors (1081490643).

2379279309 is a wasteful number, since it uses less digits than its factorization.

2379279309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72099387.

The product of its (nonzero) digits is 1285956, while the sum is 51.

The square root of 2379279309 is about 48777.8567487338. The cubic root of 2379279309 is about 1335.0016709429.

The spelling of 2379279309 in words is "two billion, three hundred seventy-nine million, two hundred seventy-nine thousand, three hundred nine".