2689138249152 has 56 divisors (see below), whose sum is σ = 7115253620112. Its totient is φ = 896348928000.

The previous prime is 2689138249151. The next prime is 2689138249157. The reversal of 2689138249152 is 2519428319862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689138249151) by changing a digit.

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, 5821902 + ... + 6266802.

Almost surely, 2^{2689138249152} is an apocalyptic number.

It is an amenable number.

2689138249152 is an abundant number, since it is smaller than the sum of its proper divisors (4426115370960).

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

2689138249152 is a wasteful number, since it uses less digits than its factorization.

2689138249152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476397 (or 476387 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The spelling of 2689138249152 in words is "two trillion, six hundred eighty-nine billion, one hundred thirty-eight million, two hundred forty-nine thousand, one hundred fifty-two".