3268121489 has 4 divisors (see below), whose sum is σ = 3270053556. Its totient is φ = 3266189424.

The previous prime is 3268121473. The next prime is 3268121501. The reversal of 3268121489 is 9841218623.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2358073600 + 910047889 = 48560^2 + 30167^2 .

It is a cyclic number.

It is not a de Polignac number, because 3268121489 - 2⁴ = 3268121473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3268121789) 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, 963494 + ... + 966879.

It is an arithmetic number, because the mean of its divisors is an integer number (817513389).

Almost surely, 2^3268121489 is an apocalyptic number.

It is an amenable number.

3268121489 is a deficient number, since it is larger than the sum of its proper divisors (1932067).

3268121489 is a wasteful number, since it uses less digits than its factorization.

3268121489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932066.

The product of its digits is 165888, while the sum is 44.

The square root of 3268121489 is about 57167.4862924722. The cubic root of 3268121489 is about 1483.9960018164.

The spelling of 3268121489 in words is "three billion, two hundred sixty-eight million, one hundred twenty-one thousand, four hundred eighty-nine".