1903340684973 has 24 divisors (see below), whose sum is σ = 3140592581568. Its totient is φ = 1003959919872.

The previous prime is 1903340684963. The next prime is 1903340684981. The reversal of 1903340684973 is 3794860433091.

It is not a de Polignac number, because 1903340684973 - 2⁶ = 1903340684909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903340684963) 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 23 ways as a sum of consecutive naturals, for example, 268148140 + ... + 268155237.

It is an arithmetic number, because the mean of its divisors is an integer number (130858024232).

Almost surely, 2^{1903340684973} is an apocalyptic number.

1903340684973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1903340684973 is a deficient number, since it is larger than the sum of its proper divisors (1237251896595).

1903340684973 is a wasteful number, since it uses less digits than its factorization.

1903340684973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536303413 (or 536303400 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 1903340684973 in words is "one trillion, nine hundred three billion, three hundred forty million, six hundred eighty-four thousand, nine hundred seventy-three".