2130365646021 has 8 divisors (see below), whose sum is σ = 2840775328384. Its totient is φ = 1420099863840.

The previous prime is 2130365646007. The next prime is 2130365646023. The reversal of 2130365646021 is 1206465630312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2130365646021 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 (2130365646023) 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, 35940496 + ... + 35999721.

It is an arithmetic number, because the mean of its divisors is an integer number (355096916048).

Almost surely, 2^{2130365646021} is an apocalyptic number.

It is an amenable number.

2130365646021 is a deficient number, since it is larger than the sum of its proper divisors (710409682363).

2130365646021 is an equidigital number, since it uses as much as digits as its factorization.

2130365646021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71950091.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 2130365646021 in words is "two trillion, one hundred thirty billion, three hundred sixty-five million, six hundred forty-six thousand, twenty-one".