1905868879496 has 16 divisors (see below), whose sum is σ = 3783710275740. Its totient is φ = 896879472640.

The previous prime is 1905868879489. The next prime is 1905868879501. The reversal of 1905868879496 is 6949788685091.

It can be written as a sum of positive squares in 2 ways, for example, as 1895991302500 + 9877576996 = 1376950^2 + 99386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1905868879496.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7006870745 + ... + 7006871016.

Almost surely, 2^{1905868879496} is an apocalyptic number.

It is an amenable number.

1905868879496 is a deficient number, since it is larger than the sum of its proper divisors (1877841396244).

1905868879496 is a wasteful number, since it uses less digits than its factorization.

1905868879496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013741784 (or 14013741780 counting only the distinct ones).

The product of its (nonzero) digits is 1881169920, while the sum is 80.

The spelling of 1905868879496 in words is "one trillion, nine hundred five billion, eight hundred sixty-eight million, eight hundred seventy-nine thousand, four hundred ninety-six".