1993795801 has 8 divisors (see below), whose sum is σ = 2076525504. Its totient is φ = 1912584240.

The previous prime is 1993795757. The next prime is 1993795813. The reversal of 1993795801 is 1085973991.

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 1993795801 - 2²⁵ = 1960241369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993795831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376855 + ... + 382108.

It is an arithmetic number, because the mean of its divisors is an integer number (259565688).

Almost surely, 2^1993795801 is an apocalyptic number.

It is an amenable number.

1993795801 is a deficient number, since it is larger than the sum of its proper divisors (82729703).

1993795801 is an equidigital number, since it uses as much as digits as its factorization.

1993795801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759071.

The product of its (nonzero) digits is 612360, while the sum is 52.

The square root of 1993795801 is about 44651.9406185218. The cubic root of 1993795801 is about 1258.6169002769.

The spelling of 1993795801 in words is "one billion, nine hundred ninety-three million, seven hundred ninety-five thousand, eight hundred one".