2758320643894 has 16 divisors (see below), whose sum is σ = 4160586240720. Its totient is φ = 1371459466080.

The previous prime is 2758320643879. The next prime is 2758320643901. The reversal of 2758320643894 is 4983460238572.

2758320643894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2758320643894³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6146872 + ... + 6580324.

It is an arithmetic number, because the mean of its divisors is an integer number (260036640045).

Almost surely, 2^{2758320643894} is an apocalyptic number.

2758320643894 is a deficient number, since it is larger than the sum of its proper divisors (1402265596826).

2758320643894 is a wasteful number, since it uses less digits than its factorization.

2758320643894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451215.

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 2758320643894 in words is "two trillion, seven hundred fifty-eight billion, three hundred twenty million, six hundred forty-three thousand, eight hundred ninety-four".