2528893069 has 4 divisors (see below), whose sum is σ = 2538508896. Its totient is φ = 2519277244.

The previous prime is 2528893013. The next prime is 2528893097. The reversal of 2528893069 is 9603988252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2528893069 - 2¹⁷ = 2528761997 is a prime.

It is a super-2 number, since 2×2528893069² = 12790600308872477522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528893099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4807519 + ... + 4808044.

It is an arithmetic number, because the mean of its divisors is an integer number (634627224).

Almost surely, 2^2528893069 is an apocalyptic number.

It is an amenable number.

2528893069 is a deficient number, since it is larger than the sum of its proper divisors (9615827).

2528893069 is an equidigital number, since it uses as much as digits as its factorization.

2528893069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615826.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 2528893069 is about 50288.1006700392. The cubic root of 2528893069 is about 1362.4173179240.

The spelling of 2528893069 in words is "two billion, five hundred twenty-eight million, eight hundred ninety-three thousand, sixty-nine".