3259661942 has 8 divisors (see below), whose sum is σ = 4916507232. Its totient is φ = 1620826200.

The previous prime is 3259661893. The next prime is 3259661947. The reversal of 3259661942 is 2491669523.

It is a happy number.

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

It is a super-2 number, since 2×3259661942² = 21250791952246422728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3259661947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4501934 + ... + 4502657.

It is an arithmetic number, because the mean of its divisors is an integer number (614563404).

Almost surely, 2^3259661942 is an apocalyptic number.

3259661942 is a deficient number, since it is larger than the sum of its proper divisors (1656845290).

3259661942 is a wasteful number, since it uses less digits than its factorization.

3259661942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004774.

The product of its digits is 699840, while the sum is 47.

The square root of 3259661942 is about 57093.4492039148. The cubic root of 3259661942 is about 1482.7144519982.

The spelling of 3259661942 in words is "three billion, two hundred fifty-nine million, six hundred sixty-one thousand, nine hundred forty-two".