2783257838369 has 16 divisors (see below), whose sum is σ = 2966817127680. Its totient is φ = 2603531911680.

The previous prime is 2783257838359. The next prime is 2783257838437. The reversal of 2783257838369 is 9638387523872.

It is a cyclic number.

It is not a de Polignac number, because 2783257838369 - 2¹⁶ = 2783257772833 is a prime.

It is a super-2 number, since 2×2783257838369² (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 (2783257838359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957614 + ... + 2546279.

It is an arithmetic number, because the mean of its divisors is an integer number (185426070480).

Almost surely, 2^{2783257838369} is an apocalyptic number.

It is an amenable number.

2783257838369 is a deficient number, since it is larger than the sum of its proper divisors (183559289311).

2783257838369 is a wasteful number, since it uses less digits than its factorization.

2783257838369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504440.

The product of its digits is 731566080, while the sum is 71.

The spelling of 2783257838369 in words is "two trillion, seven hundred eighty-three billion, two hundred fifty-seven million, eight hundred thirty-eight thousand, three hundred sixty-nine".