2721640281983 has 32 divisors (see below), whose sum is σ = 3247533394560. Its totient is φ = 2232126927360.

The previous prime is 2721640281959. The next prime is 2721640282001. The reversal of 2721640281983 is 3891820461272.

It is a cyclic number.

It is not a de Polignac number, because 2721640281983 - 2²² = 2721636087679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721640281953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95237885 + ... + 95266457.

It is an arithmetic number, because the mean of its divisors is an integer number (101485418580).

Almost surely, 2^{2721640281983} is an apocalyptic number.

2721640281983 is a deficient number, since it is larger than the sum of its proper divisors (525893112577).

2721640281983 is a wasteful number, since it uses less digits than its factorization.

2721640281983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34707.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 2721640281983 in words is "two trillion, seven hundred twenty-one billion, six hundred forty million, two hundred eighty-one thousand, nine hundred eighty-three".