2012253639 has 8 divisors (see below), whose sum is σ = 2926914432. Its totient is φ = 1219547640.

The previous prime is 2012253631. The next prime is 2012253643. The reversal of 2012253639 is 9363522102.

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

It is not a de Polignac number, because 2012253639 - 2³ = 2012253631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 60977383 = 2012253639 / (2 + 0 + 1 + 2 + 2 + 5 + 3 + 6 + 3 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012253631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30488659 + ... + 30488724.

It is an arithmetic number, because the mean of its divisors is an integer number (365864304).

Almost surely, 2^2012253639 is an apocalyptic number.

2012253639 is a deficient number, since it is larger than the sum of its proper divisors (914660793).

2012253639 is a wasteful number, since it uses less digits than its factorization.

2012253639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60977397.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 2012253639 is about 44858.1501959231. The cubic root of 2012253639 is about 1262.4889156822.

The spelling of 2012253639 in words is "two billion, twelve million, two hundred fifty-three thousand, six hundred thirty-nine".