1909134606852 has 72 divisors (see below), whose sum is σ = 5264922804960. Its totient is φ = 578488331520.

The previous prime is 1909134606811. The next prime is 1909134606893. The reversal of 1909134606852 is 2586064319091.

1909134606852 is a `hidden beast` number, since 1 + 90 + 9 + 13 + 460 + 6 + 85 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1909134606811) and next prime (1909134606893).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6334863 + ... + 6629385.

Almost surely, 2^{1909134606852} is an apocalyptic number.

1909134606852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1909134606852 is an abundant number, since it is smaller than the sum of its proper divisors (3355788198108).

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

1909134606852 is a wasteful number, since it uses less digits than its factorization.

1909134606852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310913 (or 310908 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 1909134606852 in words is "one trillion, nine hundred nine billion, one hundred thirty-four million, six hundred six thousand, eight hundred fifty-two".