2391113792673 has 16 divisors (see below), whose sum is σ = 3564123269440. Its totient is φ = 1584296252352.

The previous prime is 2391113792671. The next prime is 2391113792713. The reversal of 2391113792673 is 3762973111932.

2391113792673 is a `hidden beast` number, since 2 + 3 + 9 + 1 + 1 + 1 + 379 + 267 + 3 = 666.

It is not a de Polignac number, because 2391113792673 - 2¹ = 2391113792671 is a prime.

It is a super-3 number, since 3×2391113792673³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2391113792671) 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 15 ways as a sum of consecutive naturals, for example, 271651336 + ... + 271660137.

It is an arithmetic number, because the mean of its divisors is an integer number (222757704340).

Almost surely, 2^{2391113792673} is an apocalyptic number.

It is an amenable number.

2391113792673 is a deficient number, since it is larger than the sum of its proper divisors (1173009476767).

2391113792673 is a wasteful number, since it uses less digits than its factorization.

2391113792673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543311645 (or 543311639 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The spelling of 2391113792673 in words is "two trillion, three hundred ninety-one billion, one hundred thirteen million, seven hundred ninety-two thousand, six hundred seventy-three".