1894849899330 has 64 divisors (see below), whose sum is σ = 4818691353600. Its totient is φ = 475528708800.

The previous prime is 1894849899259. The next prime is 1894849899337. The reversal of 1894849899330 is 339989484981.

It is a super-2 number, since 2×1894849899330² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1894849899337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10921540 + ... + 11093679.

It is an arithmetic number, because the mean of its divisors is an integer number (75292052400).

Almost surely, 2^{1894849899330} is an apocalyptic number.

1894849899330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1894849899330 is an abundant number, since it is smaller than the sum of its proper divisors (2923841454270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1894849899330 is a wasteful number, since it uses less digits than its factorization.

1894849899330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22015399.

The product of its (nonzero) digits is 483729408, while the sum is 75.

The spelling of 1894849899330 in words is "one trillion, eight hundred ninety-four billion, eight hundred forty-nine million, eight hundred ninety-nine thousand, three hundred thirty".