1909313474719 has 8 divisors (see below), whose sum is σ = 2252461979648. Its totient is φ = 1583762329080.

The previous prime is 1909313474699. The next prime is 1909313474723. The reversal of 1909313474719 is 9174743139091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1909313474719 - 2¹³ = 1909313466527 is a prime.

It is a super-2 number, since 2×1909313474719² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1909314474719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4399339587 + ... + 4399340020.

It is an arithmetic number, because the mean of its divisors is an integer number (281557747456).

Almost surely, 2^{1909313474719} is an apocalyptic number.

1909313474719 is a deficient number, since it is larger than the sum of its proper divisors (343148504929).

1909313474719 is an equidigital number, since it uses as much as digits as its factorization.

1909313474719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798679645.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The spelling of 1909313474719 in words is "one trillion, nine hundred nine billion, three hundred thirteen million, four hundred seventy-four thousand, seven hundred nineteen".