2028101788361 has 8 divisors (see below), whose sum is σ = 2248744755648. Its totient is φ = 1813503834000.

The previous prime is 2028101788331. The next prime is 2028101788373. The reversal of 2028101788361 is 1638871018202.

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 2028101788361 - 2¹⁰ = 2028101787337 is a prime.

It is a super-2 number, since 2×2028101788361² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2028101788331) 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, 1511252525 + ... + 1511253866.

It is an arithmetic number, because the mean of its divisors is an integer number (281093094456).

Almost surely, 2^{2028101788361} is an apocalyptic number.

It is an amenable number.

2028101788361 is a deficient number, since it is larger than the sum of its proper divisors (220642967287).

2028101788361 is a wasteful number, since it uses less digits than its factorization.

2028101788361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022506463.

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 2028101788361 in words is "two trillion, twenty-eight billion, one hundred one million, seven hundred eighty-eight thousand, three hundred sixty-one".