1909061334 has 24 divisors (see below), whose sum is σ = 4147584480. Its totient is φ = 634617648.

The previous prime is 1909061317. The next prime is 1909061339. The reversal of 1909061334 is 4331609091.

1909061334 is a `hidden beast` number, since 1 + 9 + 0 + 9 + 0 + 613 + 34 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1909061339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137889 + ... + 151100.

It is an arithmetic number, because the mean of its divisors is an integer number (172816020).

Almost surely, 2^1909061334 is an apocalyptic number.

1909061334 is an abundant number, since it is smaller than the sum of its proper divisors (2238523146).

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

1909061334 is a wasteful number, since it uses less digits than its factorization.

1909061334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289364 (or 289361 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 1909061334 is about 43692.8064330961. The cubic root of 1909061334 is about 1240.5281599349.

The spelling of 1909061334 in words is "one billion, nine hundred nine million, sixty-one thousand, three hundred thirty-four".