1591933420001 has 4 divisors (see below), whose sum is σ = 1685576562372. Its totient is φ = 1498290277632.

The previous prime is 1591933419961. The next prime is 1591933420003. The reversal of 1591933420001 is 1000243391951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1167058893025 + 424874526976 = 1080305^2 + 651824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1591933420001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1591933420003) 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 3 ways as a sum of consecutive naturals, for example, 46821571160 + ... + 46821571193.

It is an arithmetic number, because the mean of its divisors is an integer number (421394140593).

Almost surely, 2^{1591933420001} is an apocalyptic number.

It is an amenable number.

1591933420001 is a deficient number, since it is larger than the sum of its proper divisors (93643142371).

1591933420001 is an equidigital number, since it uses as much as digits as its factorization.

1591933420001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93643142370.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 1591933420001 in words is "one trillion, five hundred ninety-one billion, nine hundred thirty-three million, four hundred twenty thousand, one".