1909091918282 has 8 divisors (see below), whose sum is σ = 2867276555616. Its totient is φ = 953333066412.

The previous prime is 1909091918273. The next prime is 1909091918299. The reversal of 1909091918282 is 2828191909091.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606444398 + ... + 606447545.

It is an arithmetic number, because the mean of its divisors is an integer number (358409569452).

Almost surely, 2^{1909091918282} is an apocalyptic number.

1909091918282 is a deficient number, since it is larger than the sum of its proper divisors (958184637334).

1909091918282 is a wasteful number, since it uses less digits than its factorization.

1909091918282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212892732.

The product of its (nonzero) digits is 1679616, while the sum is 59.

The spelling of 1909091918282 in words is "one trillion, nine hundred nine billion, ninety-one million, nine hundred eighteen thousand, two hundred eighty-two".