1909285414 has 32 divisors (see below), whose sum is σ = 3044321280. Its totient is φ = 895551552.

The previous prime is 1909285397. The next prime is 1909285429. The reversal of 1909285414 is 4145829091.

It is a super-2 number, since 2×1909285414² = 7290741584226302792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1973959 + ... + 1974925.

It is an arithmetic number, because the mean of its divisors is an integer number (95135040).

Almost surely, 2^1909285414 is an apocalyptic number.

1909285414 is a deficient number, since it is larger than the sum of its proper divisors (1135035866).

1909285414 is a wasteful number, since it uses less digits than its factorization.

1909285414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1909285414 is about 43695.3706243579. The cubic root of 1909285414 is about 1240.5766945506.

The spelling of 1909285414 in words is "one billion, nine hundred nine million, two hundred eighty-five thousand, four hundred fourteen".