2439268561 has 8 divisors (see below), whose sum is σ = 2532700800. Its totient is φ = 2346457680.

The previous prime is 2439268541. The next prime is 2439268571. The reversal of 2439268561 is 1658629342.

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 2439268561 - 2¹¹ = 2439266513 is a prime.

It is a super-2 number, since 2×2439268561² = 11900062225366021442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2439268541) 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, 147331 + ... + 163048.

It is an arithmetic number, because the mean of its divisors is an integer number (316587600).

Almost surely, 2^2439268561 is an apocalyptic number.

It is an amenable number.

2439268561 is a deficient number, since it is larger than the sum of its proper divisors (93432239).

2439268561 is a wasteful number, since it uses less digits than its factorization.

2439268561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310679.

The product of its digits is 622080, while the sum is 46.

The square root of 2439268561 is about 49388.9518111085. The cubic root of 2439268561 is about 1346.1285628756.

The spelling of 2439268561 in words is "two billion, four hundred thirty-nine million, two hundred sixty-eight thousand, five hundred sixty-one".