2733751021 has 8 divisors (see below), whose sum is σ = 2748989880. Its totient is φ = 2718542592.

The previous prime is 2733750937. The next prime is 2733751067. The reversal of 2733751021 is 1201573372.

It can be written as a sum of positive squares in 4 ways, for example, as 121110025 + 2612640996 = 11005^2 + 51114^2 .

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 2733751021 - 2⁷ = 2733750893 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 (2733751081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186081 + ... + 200233.

It is an arithmetic number, because the mean of its divisors is an integer number (343623735).

Almost surely, 2^2733751021 is an apocalyptic number.

It is an amenable number.

2733751021 is a deficient number, since it is larger than the sum of its proper divisors (15238859).

2733751021 is a wasteful number, since it uses less digits than its factorization.

2733751021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 2733751021 is about 52285.2849375424. The cubic root of 2733751021 is about 1398.2548017524.

The spelling of 2733751021 in words is "two billion, seven hundred thirty-three million, seven hundred fifty-one thousand, twenty-one".