2104739395983 has 96 divisors (see below), whose sum is σ = 3644380127232. Its totient is φ = 1144458849600.

The previous prime is 2104739395981. The next prime is 2104739395999. The reversal of 2104739395983 is 3895939374012.

2104739395983 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 7 + 3 + 9 + 39 + 598 + 3 = 666.

It is a Cunningham number, because it is equal to 1450772²-1.

It is not a de Polignac number, because 2104739395983 - 2¹ = 2104739395981 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2104739395983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104739395981) 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 95 ways as a sum of consecutive naturals, for example, 233569948 + ... + 233578958.

It is an arithmetic number, because the mean of its divisors is an integer number (37962292992).

Almost surely, 2^{2104739395983} is an apocalyptic number.

2104739395983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2104739395983 is a deficient number, since it is larger than the sum of its proper divisors (1539640731249).

2104739395983 is a wasteful number, since it uses less digits than its factorization.

2104739395983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865 (or 9862 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 63.

The spelling of 2104739395983 in words is "two trillion, one hundred four billion, seven hundred thirty-nine million, three hundred ninety-five thousand, nine hundred eighty-three".