6939398885594 has 16 divisors (see below), whose sum is σ = 11899938796800. Its totient is φ = 2973071488464.

The previous prime is 6939398885581. The next prime is 6939398885597. The reversal of 6939398885594 is 4955888939396.

It is not an unprimeable number, because it can be changed into a prime (6939398885597) 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, 79672034 + ... + 79759085.

It is an arithmetic number, because the mean of its divisors is an integer number (743746174800).

Almost surely, 2^{6939398885594} is an apocalyptic number.

6939398885594 is a deficient number, since it is larger than the sum of its proper divisors (4960539911206).

6939398885594 is a wasteful number, since it uses less digits than its factorization.

6939398885594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159434237.

The product of its digits is 18139852800, while the sum is 86.

The spelling of 6939398885594 in words is "six trillion, nine hundred thirty-nine billion, three hundred ninety-eight million, eight hundred eighty-five thousand, five hundred ninety-four".