4932509561 has 4 divisors (see below), whose sum is σ = 5637153792. Its totient is φ = 4227865332.

The previous prime is 4932509521. The next prime is 4932509567. The reversal of 4932509561 is 1659052394.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1659052394 = 2 ⋅829526197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4932509561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4932509567) 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, 352322105 + ... + 352322118.

It is an arithmetic number, because the mean of its divisors is an integer number (1409288448).

Almost surely, 2^4932509561 is an apocalyptic number.

It is an amenable number.

4932509561 is a deficient number, since it is larger than the sum of its proper divisors (704644231).

4932509561 is an equidigital number, since it uses as much as digits as its factorization.

4932509561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704644230.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 4932509561 is about 70231.8272651367. The cubic root of 4932509561 is about 1702.2472656995.

The spelling of 4932509561 in words is "four billion, nine hundred thirty-two million, five hundred nine thousand, five hundred sixty-one".