3309989761 has 8 divisors (see below), whose sum is σ = 3631861800. Its totient is φ = 2997725952.

The previous prime is 3309989729. The next prime is 3309989779. The reversal of 3309989761 is 1679899033.

It can be written as a sum of positive squares in 4 ways, for example, as 741527361 + 2568462400 = 27231^2 + 50680^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3309989761 - 2⁵ = 3309989729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3309989701) 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, 2401336 + ... + 2402713.

It is an arithmetic number, because the mean of its divisors is an integer number (453982725).

Almost surely, 2^3309989761 is an apocalyptic number.

It is an amenable number.

3309989761 is a deficient number, since it is larger than the sum of its proper divisors (321872039).

3309989761 is a wasteful number, since it uses less digits than its factorization.

3309989761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804115.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 3309989761 is about 57532.5104701681. The cubic root of 3309989761 is about 1490.3063437799.

The spelling of 3309989761 in words is "three billion, three hundred nine million, nine hundred eighty-nine thousand, seven hundred sixty-one".