1793984137 has 4 divisors (see below), whose sum is σ = 1957073616. Its totient is φ = 1630894660.

The previous prime is 1793984099. The next prime is 1793984147. The reversal of 1793984137 is 7314893971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1793984137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1793984147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81544723 + ... + 81544744.

It is an arithmetic number, because the mean of its divisors is an integer number (489268404).

Almost surely, 2^1793984137 is an apocalyptic number.

It is an amenable number.

1793984137 is a deficient number, since it is larger than the sum of its proper divisors (163089479).

1793984137 is a wasteful number, since it uses less digits than its factorization.

1793984137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163089478.

The product of its digits is 1143072, while the sum is 52.

The square root of 1793984137 is about 42355.4499090731. The cubic root of 1793984137 is about 1215.0837127258.

The spelling of 1793984137 in words is "one billion, seven hundred ninety-three million, nine hundred eighty-four thousand, one hundred thirty-seven".