2013271956 has 48 divisors (see below), whose sum is σ = 5226137280. Its totient is φ = 670249440.

The previous prime is 2013271943. The next prime is 2013271961. The reversal of 2013271956 is 6591723102.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2013271956.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78046 + ... + 100586.

It is an arithmetic number, because the mean of its divisors is an integer number (108877860).

Almost surely, 2^2013271956 is an apocalyptic number.

It is an amenable number.

2013271956 is an abundant number, since it is smaller than the sum of its proper divisors (3212865324).

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

2013271956 is a wasteful number, since it uses less digits than its factorization.

2013271956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381 (or 23373 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2013271956 is about 44869.4991726005. The cubic root of 2013271956 is about 1262.7018439625.

The spelling of 2013271956 in words is "two billion, thirteen million, two hundred seventy-one thousand, nine hundred fifty-six".