2889426139392 has 144 divisors (see below), whose sum is σ = 8717508416960. Its totient is φ = 842261815296.

The previous prime is 2889426139337. The next prime is 2889426139399. The reversal of 2889426139392 is 2939316249882.

2889426139392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2889426139399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7426243 + ... + 7805634.

Almost surely, 2^{2889426139392} is an apocalyptic number.

It is an amenable number.

2889426139392 is an abundant number, since it is smaller than the sum of its proper divisors (5828082277568).

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

2889426139392 is a wasteful number, since it uses less digits than its factorization.

2889426139392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15231928 (or 15231914 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 66.

The spelling of 2889426139392 in words is "two trillion, eight hundred eighty-nine billion, four hundred twenty-six million, one hundred thirty-nine thousand, three hundred ninety-two".