1683899537842 has 8 divisors (see below), whose sum is σ = 2533480272432. Its totient is φ = 839406113700.

The previous prime is 1683899537741. The next prime is 1683899537869. The reversal of 1683899537842 is 2487359983861.

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, 1271826784 + ... + 1271828107.

It is an arithmetic number, because the mean of its divisors is an integer number (316685034054).

Almost surely, 2^{1683899537842} is an apocalyptic number.

1683899537842 is a deficient number, since it is larger than the sum of its proper divisors (849580734590).

1683899537842 is a wasteful number, since it uses less digits than its factorization.

1683899537842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543655224.

The product of its digits is 627056640, while the sum is 73.

The spelling of 1683899537842 in words is "one trillion, six hundred eighty-three billion, eight hundred ninety-nine million, five hundred thirty-seven thousand, eight hundred forty-two".