2721394111 has 8 divisors (see below), whose sum is σ = 2865553920. Its totient is φ = 2577327192.

The previous prime is 2721394087. The next prime is 2721394121. The reversal of 2721394111 is 1114931272.

It is a happy number.

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 2721394111 - 2⁵ = 2721394079 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 (2721394121) 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, 41586 + ... + 84688.

It is an arithmetic number, because the mean of its divisors is an integer number (358194240).

Almost surely, 2^2721394111 is an apocalyptic number.

2721394111 is a deficient number, since it is larger than the sum of its proper divisors (144159809).

2721394111 is a wasteful number, since it uses less digits than its factorization.

2721394111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46445.

The product of its digits is 3024, while the sum is 31.

The square root of 2721394111 is about 52166.9829585726. The cubic root of 2721394111 is about 1396.1448549821.

The spelling of 2721394111 in words is "two billion, seven hundred twenty-one million, three hundred ninety-four thousand, one hundred eleven".