2783384380673 has 8 divisors (see below), whose sum is σ = 2998811965800. Its totient is φ = 2568145523328.

The previous prime is 2783384380633. The next prime is 2783384380729. The reversal of 2783384380673 is 3760834833872.

It can be written as a sum of positive squares in 4 ways, for example, as 51543983089 + 2731840397584 = 227033^2 + 1652828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2783384380673 - 2²⁶ = 2783317271809 is a prime.

It is a super-2 number, since 2×2783384380673² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2783384380633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47151308 + ... + 47210301.

It is an arithmetic number, because the mean of its divisors is an integer number (374851495725).

Almost surely, 2^{2783384380673} is an apocalyptic number.

It is an amenable number.

2783384380673 is a deficient number, since it is larger than the sum of its proper divisors (215427585127).

2783384380673 is a wasteful number, since it uses less digits than its factorization.

2783384380673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94363891.

The product of its (nonzero) digits is 97542144, while the sum is 62.

The spelling of 2783384380673 in words is "two trillion, seven hundred eighty-three billion, three hundred eighty-four million, three hundred eighty thousand, six hundred seventy-three".