19283801820401 has 4 divisors (see below), whose sum is σ = 20418143103972. Its totient is φ = 18149460536832.

The previous prime is 19283801820389. The next prime is 19283801820509. The reversal of 19283801820401 is 10402810838291.

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 16345234469776 + 2938567350625 = 4042924^2 + 1714225^2 .

It is not a de Polignac number, because 19283801820401 - 2³⁴ = 19266621951217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19283801220401) 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, 567170641760 + ... + 567170641793.

It is an arithmetic number, because the mean of its divisors is an integer number (5104535775993).

Almost surely, 2^{19283801820401} is an apocalyptic number.

It is an amenable number.

19283801820401 is a deficient number, since it is larger than the sum of its proper divisors (1134341283571).

19283801820401 is a wasteful number, since it uses less digits than its factorization.

19283801820401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134341283570.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 19283801820401 in words is "nineteen trillion, two hundred eighty-three billion, eight hundred one million, eight hundred twenty thousand, four hundred one".