2011421399 has 8 divisors (see below), whose sum is σ = 2171807232. Its totient is φ = 1851844320.

The previous prime is 2011421359. The next prime is 2011421413. The reversal of 2011421399 is 9931241102.

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 2011421399 - 2²⁰ = 2010372823 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 (2011421309) 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, 197012 + ... + 206969.

It is an arithmetic number, because the mean of its divisors is an integer number (271475904).

Almost surely, 2^2011421399 is an apocalyptic number.

2011421399 is a deficient number, since it is larger than the sum of its proper divisors (160385833).

2011421399 is a wasteful number, since it uses less digits than its factorization.

2011421399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404377.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2011421399 is about 44848.8728843881. The cubic root of 2011421399 is about 1262.3148424211.

The spelling of 2011421399 in words is "two billion, eleven million, four hundred twenty-one thousand, three hundred ninety-nine".