1909313474718 has 32 divisors (see below), whose sum is σ = 4114158191136. Its totient is φ = 587225253888.

The previous prime is 1909313474699. The next prime is 1909313474723. The reversal of 1909313474718 is 8174743139091.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5149171 + ... + 5507502.

It is an arithmetic number, because the mean of its divisors is an integer number (128567443473).

Almost surely, 2^{1909313474718} is an apocalyptic number.

1909313474718 is an abundant number, since it is smaller than the sum of its proper divisors (2204844716418).

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

1909313474718 is a wasteful number, since it uses less digits than its factorization.

1909313474718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658988.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 1909313474718 in words is "one trillion, nine hundred nine billion, three hundred thirteen million, four hundred seventy-four thousand, seven hundred eighteen".