2539802969 has 8 divisors (see below), whose sum is σ = 2812048608. Its totient is φ = 2274449760.

The previous prime is 2539802963. The next prime is 2539803001. The reversal of 2539802969 is 9692089352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2539802969 - 2¹⁶ = 2539737433 is a prime.

It is a super-2 number, since 2×2539802969² = 12901198242682429922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2539802969.

It is not an unprimeable number, because it can be changed into a prime (2539802963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722332 + ... + 1723805.

It is an arithmetic number, because the mean of its divisors is an integer number (351506076).

Almost surely, 2^2539802969 is an apocalyptic number.

It is an amenable number.

2539802969 is a deficient number, since it is larger than the sum of its proper divisors (272245639).

2539802969 is a wasteful number, since it uses less digits than its factorization.

2539802969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446215.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 2539802969 is about 50396.4579013248. The cubic root of 2539802969 is about 1364.3737092089.

It can be divided in two parts, 2539 and 802969, that added together give a palindrome (805508).

The spelling of 2539802969 in words is "two billion, five hundred thirty-nine million, eight hundred two thousand, nine hundred sixty-nine".