2168669039 has 12 divisors (see below), whose sum is σ = 2378164464. Its totient is φ = 1970704512.

The previous prime is 2168669029. The next prime is 2168669117. The reversal of 2168669039 is 9309668612.

It is not a de Polignac number, because 2168669039 - 2⁴ = 2168669023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168669029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61547 + ... + 90140.

It is an arithmetic number, because the mean of its divisors is an integer number (198180372).

Almost surely, 2^2168669039 is an apocalyptic number.

2168669039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2168669039 is a deficient number, since it is larger than the sum of its proper divisors (209495425).

2168669039 is a wasteful number, since it uses less digits than its factorization.

2168669039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151762 (or 151733 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 2168669039 is about 46568.9707745404. The cubic root of 2168669039 is about 1294.3878462147.

The spelling of 2168669039 in words is "two billion, one hundred sixty-eight million, six hundred sixty-nine thousand, thirty-nine".