3143639017639 has 4 divisors (see below), whose sum is σ = 3152698496424. Its totient is φ = 3134579538856.

The previous prime is 3143639017517. The next prime is 3143639017721. The reversal of 3143639017639 is 9367109363413.

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 3143639017639 - 2⁷ = 3143639017511 is a prime.

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 3143639017639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143639017339) 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, 4529738872 + ... + 4529739565.

It is an arithmetic number, because the mean of its divisors is an integer number (788174624106).

Almost surely, 2^{3143639017639} is an apocalyptic number.

3143639017639 is a deficient number, since it is larger than the sum of its proper divisors (9059478785).

3143639017639 is an equidigital number, since it uses as much as digits as its factorization.

3143639017639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059478784.

The product of its (nonzero) digits is 6613488, while the sum is 55.

The spelling of 3143639017639 in words is "three trillion, one hundred forty-three billion, six hundred thirty-nine million, seventeen thousand, six hundred thirty-nine".