6889749453272 has 32 divisors (see below), whose sum is σ = 15123840268320. Its totient is φ = 2880731477760.

The previous prime is 6889749453269. The next prime is 6889749453337. The reversal of 6889749453272 is 2723549479886.

It is a self number, because there is not a number n which added to its sum of digits gives 6889749453272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500378683 + ... + 1500383274.

It is an arithmetic number, because the mean of its divisors is an integer number (472620008385).

Almost surely, 2^{6889749453272} is an apocalyptic number.

It is an amenable number.

6889749453272 is an abundant number, since it is smaller than the sum of its proper divisors (8234090815048).

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

6889749453272 is a wasteful number, since it uses less digits than its factorization.

6889749453272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000762011 (or 3000762007 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 74.

The spelling of 6889749453272 in words is "six trillion, eight hundred eighty-nine billion, seven hundred forty-nine million, four hundred fifty-three thousand, two hundred seventy-two".