3321861607 has 4 divisors (see below), whose sum is σ = 3361884120. Its totient is φ = 3281839096.

The previous prime is 3321861589. The next prime is 3321861623. The reversal of 3321861607 is 7061681233.

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

It is a cyclic number.

It is not a de Polignac number, because 3321861607 - 2⁷ = 3321861479 is a prime.

It is a super-2 number, since 2×3321861607² = 22069529072121244898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321861667) 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, 20011132 + ... + 20011297.

It is an arithmetic number, because the mean of its divisors is an integer number (840471030).

Almost surely, 2^3321861607 is an apocalyptic number.

3321861607 is a deficient number, since it is larger than the sum of its proper divisors (40022513).

3321861607 is an equidigital number, since it uses as much as digits as its factorization.

3321861607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40022512.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3321861607 is about 57635.5932302254. The cubic root of 3321861607 is about 1492.0859642733.

The spelling of 3321861607 in words is "three billion, three hundred twenty-one million, eight hundred sixty-one thousand, six hundred seven".