2529683689 has 8 divisors (see below), whose sum is σ = 2726703560. Its totient is φ = 2333010816.

The previous prime is 2529683683. The next prime is 2529683701. The reversal of 2529683689 is 9863869252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 180633600 + 2349050089 = 13440^2 + 48467^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2529683689 - 2¹⁹ = 2529159401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2529683683) 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, 71502 + ... + 100855.

It is an arithmetic number, because the mean of its divisors is an integer number (340837945).

Almost surely, 2^2529683689 is an apocalyptic number.

It is an amenable number.

2529683689 is a deficient number, since it is larger than the sum of its proper divisors (197019871).

2529683689 is a wasteful number, since it uses less digits than its factorization.

2529683689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173499.

The product of its digits is 11197440, while the sum is 58.

The square root of 2529683689 is about 50295.9609610951. The cubic root of 2529683689 is about 1362.5592828230.

The spelling of 2529683689 in words is "two billion, five hundred twenty-nine million, six hundred eighty-three thousand, six hundred eighty-nine".