2012479391 has 8 divisors (see below), whose sum is σ = 2182879440. Its totient is φ = 1844307072.

The previous prime is 2012479379. The next prime is 2012479393. The reversal of 2012479391 is 1939742102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012479391 - 2⁶ = 2012479327 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 (2012479393) 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, 555050 + ... + 558663.

It is an arithmetic number, because the mean of its divisors is an integer number (272859930).

Almost surely, 2^2012479391 is an apocalyptic number.

2012479391 is a deficient number, since it is larger than the sum of its proper divisors (170400049).

2012479391 is a wasteful number, since it uses less digits than its factorization.

2012479391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113865.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2012479391 is about 44860.6664127942. Note that the first 3 decimals coincide. The cubic root of 2012479391 is about 1262.5361262217.

The spelling of 2012479391 in words is "two billion, twelve million, four hundred seventy-nine thousand, three hundred ninety-one".