2725319509 has 8 divisors (see below), whose sum is σ = 3021815520. Its totient is φ = 2436946800.

The previous prime is 2725319507. The next prime is 2725319561. The reversal of 2725319509 is 9059135272.

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 2725319509 - 2¹ = 2725319507 is a prime.

It is a super-2 number, since 2×2725319509² = 14854732852272002162, 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 (2725319507) 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, 2030119 + ... + 2031460.

It is an arithmetic number, because the mean of its divisors is an integer number (377726940).

Almost surely, 2^2725319509 is an apocalyptic number.

It is an amenable number.

2725319509 is a deficient number, since it is larger than the sum of its proper divisors (296496011).

2725319509 is a wasteful number, since it uses less digits than its factorization.

2725319509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061651.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 2725319509 is about 52204.5927960366. The cubic root of 2725319509 is about 1396.8158090446.

The spelling of 2725319509 in words is "two billion, seven hundred twenty-five million, three hundred nineteen thousand, five hundred nine".