3139446689 has 8 divisors (see below), whose sum is σ = 3189300480. Its totient is φ = 3089749600.

The previous prime is 3139446677. The next prime is 3139446719. The reversal of 3139446689 is 9866449313.

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

It is a de Polignac number, because none of the positive numbers 2^k-3139446689 is a prime.

It is a super-2 number, since 2×3139446689² = 19712251026146125442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3139446689.

It is not an unprimeable number, because it can be changed into a prime (3139446619) 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, 1544 + ... + 79254.

It is an arithmetic number, because the mean of its divisors is an integer number (398662560).

Almost surely, 2^3139446689 is an apocalyptic number.

It is an amenable number.

3139446689 is a deficient number, since it is larger than the sum of its proper divisors (49853791).

3139446689 is an equidigital number, since it uses as much as digits as its factorization.

3139446689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78351.

The product of its digits is 3359232, while the sum is 53.

The square root of 3139446689 is about 56030.7655578612. The cubic root of 3139446689 is about 1464.2583329412.

The spelling of 3139446689 in words is "three billion, one hundred thirty-nine million, four hundred forty-six thousand, six hundred eighty-nine".