1834998378003 has 80 divisors (see below), whose sum is σ = 3371425447104. Its totient is φ = 970711050240.

The previous prime is 1834998377977. The next prime is 1834998378011. The reversal of 1834998378003 is 3008738994381.

It is not a de Polignac number, because 1834998378003 - 2⁶ = 1834998377939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1834998378053) 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 79 ways as a sum of consecutive naturals, for example, 972450 + ... + 2148407.

Almost surely, 2^{1834998378003} is an apocalyptic number.

1834998378003 is a deficient number, since it is larger than the sum of its proper divisors (1536427069101).

1834998378003 is a wasteful number, since it uses less digits than its factorization.

1834998378003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120954 (or 3120945 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 1834998378003 in words is "one trillion, eight hundred thirty-four billion, nine hundred ninety-eight million, three hundred seventy-eight thousand, three".