2721939036 has 12 divisors (see below), whose sum is σ = 6351191112. Its totient is φ = 907313008.

The previous prime is 2721939029. The next prime is 2721939047. The reversal of 2721939036 is 6309391272.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113414115 + ... + 113414138.

It is an arithmetic number, because the mean of its divisors is an integer number (529265926).

Almost surely, 2^2721939036 is an apocalyptic number.

It is an amenable number.

2721939036 is an abundant number, since it is smaller than the sum of its proper divisors (3629252076).

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

2721939036 is a wasteful number, since it uses less digits than its factorization.

2721939036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226828260 (or 226828258 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 2721939036 is about 52172.2055887999. The cubic root of 2721939036 is about 1396.2380355885.

The spelling of 2721939036 in words is "two billion, seven hundred twenty-one million, nine hundred thirty-nine thousand, thirty-six".