4269139688 has 64 divisors (see below), whose sum is σ = 9376456320. Its totient is φ = 1800601600.

The previous prime is 4269139681. The next prime is 4269139691. The reversal of 4269139688 is 8869319624.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4269139681) 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, 86120 + ... + 126312.

It is an arithmetic number, because the mean of its divisors is an integer number (146507130).

Almost surely, 2^4269139688 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 4269139688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4688228160).

4269139688 is an abundant number, since it is smaller than the sum of its proper divisors (5107316632).

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

4269139688 is a wasteful number, since it uses less digits than its factorization.

4269139688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40298 (or 40294 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 4269139688 is about 65338.6538581872. The cubic root of 4269139688 is about 1622.2338344477.

The spelling of 4269139688 in words is "four billion, two hundred sixty-nine million, one hundred thirty-nine thousand, six hundred eighty-eight".