3599319661 has 8 divisors (see below), whose sum is σ = 4122512960. Its totient is φ = 3078377568.

The previous prime is 3599319641. The next prime is 3599319673. The reversal of 3599319661 is 1669139953.

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

It is not a de Polignac number, because 3599319661 - 2⁷ = 3599319533 is a prime.

It is a super-2 number, since 2×3599319661² = 25910204044122309842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3599319599 and 3599319608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3599319631) 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, 559371 + ... + 565768.

It is an arithmetic number, because the mean of its divisors is an integer number (515314120).

Almost surely, 2^3599319661 is an apocalyptic number.

It is an amenable number.

3599319661 is a deficient number, since it is larger than the sum of its proper divisors (523193299).

3599319661 is a wasteful number, since it uses less digits than its factorization.

3599319661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125603.

The product of its digits is 1180980, while the sum is 52.

The square root of 3599319661 is about 59994.3302404486. The cubic root of 3599319661 is about 1532.5223123726.

The spelling of 3599319661 in words is "three billion, five hundred ninety-nine million, three hundred nineteen thousand, six hundred sixty-one".