391493342001 has 8 divisors (see below), whose sum is σ = 522196398720. Its totient is φ = 260892923312.

The previous prime is 391493341991. The next prime is 391493342011. The reversal of 391493342001 is 100243394193.

It is an interprime number because it is at equal distance from previous prime (391493341991) and next prime (391493342011).

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 391493342001 - 2⁷ = 391493341873 is a prime.

It is a super-2 number, since 2×391493342001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (391493342011) 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, 25650606 + ... + 25665863.

It is an arithmetic number, because the mean of its divisors is an integer number (65274549840).

Almost surely, 2^391493342001 is an apocalyptic number.

It is an amenable number.

391493342001 is a deficient number, since it is larger than the sum of its proper divisors (130703056719).

391493342001 is a wasteful number, since it uses less digits than its factorization.

391493342001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51319015.

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 391493342001 in words is "three hundred ninety-one billion, four hundred ninety-three million, three hundred forty-two thousand, one".