1923679256406 has 32 divisors (see below), whose sum is σ = 4073735835648. Its totient is φ = 603498015360.

The previous prime is 1923679256357. The next prime is 1923679256419. The reversal of 1923679256406 is 6046529763291.

It is a self number, because there is not a number n which added to its sum of digits gives 1923679256406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10227471 + ... + 10413861.

It is an arithmetic number, because the mean of its divisors is an integer number (127304244864).

Almost surely, 2^{1923679256406} is an apocalyptic number.

1923679256406 is an abundant number, since it is smaller than the sum of its proper divisors (2150056579242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1923679256406 is a wasteful number, since it uses less digits than its factorization.

1923679256406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287596.

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 1923679256406 in words is "one trillion, nine hundred twenty-three billion, six hundred seventy-nine million, two hundred fifty-six thousand, four hundred six".