1993159001 has 8 divisors (see below), whose sum is σ = 2080266624. Its totient is φ = 1906088800.

The previous prime is 1993158971. The next prime is 1993159037. The reversal of 1993159001 is 1009513991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1993159001 - 2²² = 1988964697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993159501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191276 + ... + 201426.

It is an arithmetic number, because the mean of its divisors is an integer number (260033328).

Almost surely, 2^1993159001 is an apocalyptic number.

It is an amenable number.

1993159001 is a deficient number, since it is larger than the sum of its proper divisors (87107623).

1993159001 is a wasteful number, since it uses less digits than its factorization.

1993159001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its (nonzero) digits is 10935, while the sum is 38.

The square root of 1993159001 is about 44644.8093399445. The cubic root of 1993159001 is about 1258.4828891299.

The spelling of 1993159001 in words is "one billion, nine hundred ninety-three million, one hundred fifty-nine thousand, one".