1894849899203 has 2 divisors, whose sum is σ = 1894849899204. Its totient is φ = 1894849899202.

The previous prime is 1894849899199. The next prime is 1894849899247. The reversal of 1894849899203 is 3029989484981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1894849899203 - 2² = 1894849899199 is a prime.

It is a super-3 number, since 3×1894849899203³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1894849799203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947424949601 + 947424949602.

It is an arithmetic number, because the mean of its divisors is an integer number (947424949602).

Almost surely, 2^{1894849899203} is an apocalyptic number.

1894849899203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894849899203 is an equidigital number, since it uses as much as digits as its factorization.

1894849899203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322486272, while the sum is 74.

The spelling of 1894849899203 in words is "one trillion, eight hundred ninety-four billion, eight hundred forty-nine million, eight hundred ninety-nine thousand, two hundred three".