1899001320063 has 8 divisors (see below), whose sum is σ = 2532008983728. Its totient is φ = 1265997268224.

The previous prime is 1899001320053. The next prime is 1899001320103. The reversal of 1899001320063 is 3600231009981.

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

It is not a de Polignac number, because 1899001320063 - 2⁸ = 1899001319807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1899001319997 and 1899001320024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1899001320053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762895 + ... + 2092847.

It is an arithmetic number, because the mean of its divisors is an integer number (316501122966).

Almost surely, 2^{1899001320063} is an apocalyptic number.

1899001320063 is a deficient number, since it is larger than the sum of its proper divisors (633007663665).

1899001320063 is a wasteful number, since it uses less digits than its factorization.

1899001320063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805913.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 1899001320063 in words is "one trillion, eight hundred ninety-nine billion, one million, three hundred twenty thousand, sixty-three".