2013977221 has 8 divisors (see below), whose sum is σ = 2108306304. Its totient is φ = 1920211920.

The previous prime is 2013977209. The next prime is 2013977249. The reversal of 2013977221 is 1227793102.

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 2013977221 - 2⁹ = 2013976709 is a prime.

It is a super-2 number, since 2×2013977221² = 8112208493413765682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013977201) 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, 133626 + ... + 147931.

It is an arithmetic number, because the mean of its divisors is an integer number (263538288).

Almost surely, 2^2013977221 is an apocalyptic number.

It is an amenable number.

2013977221 is a deficient number, since it is larger than the sum of its proper divisors (94329083).

2013977221 is a wasteful number, since it uses less digits than its factorization.

2013977221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281891.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 2013977221 is about 44877.3575536706. The cubic root of 2013977221 is about 1262.8492715445.

The spelling of 2013977221 in words is "two billion, thirteen million, nine hundred seventy-seven thousand, two hundred twenty-one".