6393553494859 has 4 divisors (see below), whose sum is σ = 6671534081616. Its totient is φ = 6115572908104.

The previous prime is 6393553494857. The next prime is 6393553494869. The reversal of 6393553494859 is 9584943553936.

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 6393553494859 - 2¹ = 6393553494857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6393553494791 and 6393553494800.

It is not an unprimeable number, because it can be changed into a prime (6393553494857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138990293344 + ... + 138990293389.

It is an arithmetic number, because the mean of its divisors is an integer number (1667883520404).

Almost surely, 2^{6393553494859} is an apocalyptic number.

6393553494859 is a deficient number, since it is larger than the sum of its proper divisors (277980586757).

6393553494859 is a wasteful number, since it uses less digits than its factorization.

6393553494859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277980586756.

The product of its digits is 1889568000, while the sum is 73.

The spelling of 6393553494859 in words is "six trillion, three hundred ninety-three billion, five hundred fifty-three million, four hundred ninety-four thousand, eight hundred fifty-nine".