1928842836481 has 8 divisors (see below), whose sum is σ = 2106253110528. Its totient is φ = 1751776050000.

The previous prime is 1928842836433. The next prime is 1928842836499. The reversal of 1928842836481 is 1846382488291.

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 1928842836481 - 2²⁹ = 1928305965569 is a prime.

It is a super-2 number, since 2×1928842836481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1928842836581) 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, 85860145 + ... + 85882606.

It is an arithmetic number, because the mean of its divisors is an integer number (263281638816).

Almost surely, 2^{1928842836481} is an apocalyptic number.

1928842836481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1928842836481 is a deficient number, since it is larger than the sum of its proper divisors (177410274047).

1928842836481 is a wasteful number, since it uses less digits than its factorization.

1928842836481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171743783.

The product of its digits is 42467328, while the sum is 64.

The spelling of 1928842836481 in words is "one trillion, nine hundred twenty-eight billion, eight hundred forty-two million, eight hundred thirty-six thousand, four hundred eighty-one".