1928400713267 has 32 divisors (see below), whose sum is σ = 2266989605760. Its totient is φ = 1606325022720.

The previous prime is 1928400713243. The next prime is 1928400713273. The reversal of 1928400713267 is 7623170048291.

It is a cyclic number.

It is not a de Polignac number, because 1928400713267 - 2²⁰ = 1928399664691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1928400713227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16370993 + ... + 16488365.

It is an arithmetic number, because the mean of its divisors is an integer number (70843425180).

Almost surely, 2^{1928400713267} is an apocalyptic number.

1928400713267 is a deficient number, since it is larger than the sum of its proper divisors (338588892493).

1928400713267 is a wasteful number, since it uses less digits than its factorization.

1928400713267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117903.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 1928400713267 in words is "one trillion, nine hundred twenty-eight billion, four hundred million, seven hundred thirteen thousand, two hundred sixty-seven".