2084316479781 has 32 divisors (see below), whose sum is σ = 2797595704320. Its totient is φ = 1380322944000.

The previous prime is 2084316479771. The next prime is 2084316479807. The reversal of 2084316479781 is 1879746134802.

It is not a de Polignac number, because 2084316479781 - 2¹⁸ = 2084316217637 is a prime.

It is a super-2 number, since 2×2084316479781² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084316479731) 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 31 ways as a sum of consecutive naturals, for example, 744131581 + ... + 744134381.

It is an arithmetic number, because the mean of its divisors is an integer number (87424865760).

Almost surely, 2^{2084316479781} is an apocalyptic number.

It is an amenable number.

2084316479781 is a deficient number, since it is larger than the sum of its proper divisors (713279224539).

2084316479781 is a wasteful number, since it uses less digits than its factorization.

2084316479781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 2084316479781 in words is "two trillion, eighty-four billion, three hundred sixteen million, four hundred seventy-nine thousand, seven hundred eighty-one".