2721442084 has 6 divisors (see below), whose sum is σ = 4762523654. Its totient is φ = 1360721040.

The previous prime is 2721442079. The next prime is 2721442103. The reversal of 2721442084 is 4802441272.

It can be written as a sum of positive squares in only one way, i.e., 2155002084 + 566440000 = 46422^2 + 23800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340180257 + ... + 340180264.

Almost surely, 2^2721442084 is an apocalyptic number.

It is an amenable number.

2721442084 is a deficient number, since it is larger than the sum of its proper divisors (2041081570).

2721442084 is a wasteful number, since it uses less digits than its factorization.

2721442084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680360525 (or 680360523 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 2721442084 is about 52167.4427588702. The cubic root of 2721442084 is about 1396.1530587263.

The spelling of 2721442084 in words is "two billion, seven hundred twenty-one million, four hundred forty-two thousand, eighty-four".