2783981422503 has 12 divisors (see below), whose sum is σ = 4021324198008. Its totient is φ = 1855979446320.

The previous prime is 2783981422499. The next prime is 2783981422529. The reversal of 2783981422503 is 3052241893872.

2783981422503 is a `hidden beast` number, since 2 + 7 + 8 + 3 + 98 + 1 + 42 + 2 + 503 = 666.

It is not a de Polignac number, because 2783981422503 - 2² = 2783981422499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2783981422503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783981422603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057433 + ... + 3130653.

It is an arithmetic number, because the mean of its divisors is an integer number (335110349834).

Almost surely, 2^{2783981422503} is an apocalyptic number.

2783981422503 is a deficient number, since it is larger than the sum of its proper divisors (1237342775505).

2783981422503 is a wasteful number, since it uses less digits than its factorization.

2783981422503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361454 (or 1361451 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 2783981422503 in words is "two trillion, seven hundred eighty-three billion, nine hundred eighty-one million, four hundred twenty-two thousand, five hundred three".