2549069789 has 8 divisors (see below), whose sum is σ = 2913657600. Its totient is φ = 2184590736.

The previous prime is 2549069779. The next prime is 2549069791. The reversal of 2549069789 is 9879609452.

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 2549069789 - 2⁸ = 2549069533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549069729) 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, 31487 + ... + 78035.

It is an arithmetic number, because the mean of its divisors is an integer number (364207200).

Almost surely, 2^2549069789 is an apocalyptic number.

It is an amenable number.

2549069789 is a deficient number, since it is larger than the sum of its proper divisors (364587811).

2549069789 is an equidigital number, since it uses as much as digits as its factorization.

2549069789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54379.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The square root of 2549069789 is about 50488.3133903283. The cubic root of 2549069789 is about 1366.0310634416.

The spelling of 2549069789 in words is "two billion, five hundred forty-nine million, sixty-nine thousand, seven hundred eighty-nine".