3326121961 has 4 divisors (see below), whose sum is σ = 3521776212. Its totient is φ = 3130467712.

The previous prime is 3326121959. The next prime is 3326121971. The reversal of 3326121961 is 1691216233.

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 977750361 + 2348371600 = 31269^2 + 48460^2 .

It is a cyclic number.

It is not a de Polignac number, because 3326121961 - 2¹ = 3326121959 is a prime.

It is a super-2 number, since 2×3326121961² = 22126174598892971042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3326121971) 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, 97827100 + ... + 97827133.

It is an arithmetic number, because the mean of its divisors is an integer number (880444053).

Almost surely, 2^3326121961 is an apocalyptic number.

It is an amenable number.

3326121961 is a deficient number, since it is larger than the sum of its proper divisors (195654251).

3326121961 is a wasteful number, since it uses less digits than its factorization.

3326121961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195654250.

The product of its digits is 11664, while the sum is 34.

The square root of 3326121961 is about 57672.5407884896. The cubic root of 3326121961 is about 1492.7235684756.

The spelling of 3326121961 in words is "three billion, three hundred twenty-six million, one hundred twenty-one thousand, nine hundred sixty-one".