6522778998383 has 4 divisors (see below), whose sum is σ = 6524077585728. Its totient is φ = 6521480411040.

The previous prime is 6522778998353. The next prime is 6522778998389. The reversal of 6522778998383 is 3838998772256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6522778998383 - 2⁶ = 6522778998319 is a prime.

It is a super-2 number, since 2×6522778998383² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6522778998389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649286138 + ... + 649296183.

It is an arithmetic number, because the mean of its divisors is an integer number (1631019396432).

Almost surely, 2^{6522778998383} is an apocalyptic number.

6522778998383 is a deficient number, since it is larger than the sum of its proper divisors (1298587345).

6522778998383 is a wasteful number, since it uses less digits than its factorization.

6522778998383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298587344.

The product of its digits is 2194698240, while the sum is 77.

The spelling of 6522778998383 in words is "six trillion, five hundred twenty-two billion, seven hundred seventy-eight million, nine hundred ninety-eight thousand, three hundred eighty-three".