2825665733 has 4 divisors (see below), whose sum is σ = 3082544448. Its totient is φ = 2568787020.

The previous prime is 2825665699. The next prime is 2825665811. The reversal of 2825665733 is 3375665282.

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 2825665733 - 2¹² = 2825661637 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 (2825665033) 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, 128439341 + ... + 128439362.

It is an arithmetic number, because the mean of its divisors is an integer number (770636112).

Almost surely, 2^2825665733 is an apocalyptic number.

It is an amenable number.

2825665733 is a deficient number, since it is larger than the sum of its proper divisors (256878715).

2825665733 is a wasteful number, since it uses less digits than its factorization.

2825665733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256878714.

The product of its digits is 1814400, while the sum is 47.

The square root of 2825665733 is about 53156.9913840127. The cubic root of 2825665733 is about 1413.7531805594.

The spelling of 2825665733 in words is "two billion, eight hundred twenty-five million, six hundred sixty-five thousand, seven hundred thirty-three".