6939146487312 has 480 divisors, whose sum is σ = 22096105647616. Its totient is φ = 2095152998400.

The previous prime is 6939146487269. The next prime is 6939146487407. The reversal of 6939146487312 is 2137846419396.

6939146487312 is a `hidden beast` number, since 6 + 9 + 3 + 9 + 146 + 487 + 3 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6939146487312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1427511762 + ... + 1427516622.

Almost surely, 2^{6939146487312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6939146487312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11048052823808).

6939146487312 is an abundant number, since it is smaller than the sum of its proper divisors (15156959160304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6939146487312 is a wasteful number, since it uses less digits than its factorization.

6939146487312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421 (or 5403 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 6939146487312 in words is "six trillion, nine hundred thirty-nine billion, one hundred forty-six million, four hundred eighty-seven thousand, three hundred twelve".