1849138646946 has 16 divisors (see below), whose sum is σ = 3698374593600. Its totient is φ = 616363332368.

The previous prime is 1849138646933. The next prime is 1849138647023. The reversal of 1849138646946 is 6496468319481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3805926 + ... + 4264193.

It is an arithmetic number, because the mean of its divisors is an integer number (231148412100).

Almost surely, 2^{1849138646946} is an apocalyptic number.

1849138646946 is an abundant number, since it is smaller than the sum of its proper divisors (1849235946654).

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

1849138646946 is a wasteful number, since it uses less digits than its factorization.

1849138646946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108313.

The product of its digits is 214990848, while the sum is 69.

The spelling of 1849138646946 in words is "one trillion, eight hundred forty-nine billion, one hundred thirty-eight million, six hundred forty-six thousand, nine hundred forty-six".