1928686823241 has 32 divisors (see below), whose sum is σ = 2751289711488. Its totient is φ = 1197530342400.

The previous prime is 1928686823227. The next prime is 1928686823351. The reversal of 1928686823241 is 1423286868291.

It is not a de Polignac number, because 1928686823241 - 2²⁶ = 1928619714377 is a prime.

It is a super-4 number, since 4×1928686823241⁴ (a number of 50 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1928686823221) 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 31 ways as a sum of consecutive naturals, for example, 9568686 + ... + 9768168.

It is an arithmetic number, because the mean of its divisors is an integer number (85977803484).

Almost surely, 2^{1928686823241} is an apocalyptic number.

It is an amenable number.

1928686823241 is a deficient number, since it is larger than the sum of its proper divisors (822602888247).

1928686823241 is a wasteful number, since it uses less digits than its factorization.

1928686823241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201481.

The product of its digits is 15925248, while the sum is 60.

The spelling of 1928686823241 in words is "one trillion, nine hundred twenty-eight billion, six hundred eighty-six million, eight hundred twenty-three thousand, two hundred forty-one".