3149143269829 has 4 divisors (see below), whose sum is σ = 3153439509676. Its totient is φ = 3144847029984.

The previous prime is 3149143269827. The next prime is 3149143269859. The reversal of 3149143269829 is 9289623419413.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2183591379204 + 965551890625 = 1477698^2 + 982625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149143269829 - 2¹ = 3149143269827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149143269821) 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, 2148118824 + ... + 2148120289.

It is an arithmetic number, because the mean of its divisors is an integer number (788359877419).

Almost surely, 2^{3149143269829} is an apocalyptic number.

It is an amenable number.

3149143269829 is a deficient number, since it is larger than the sum of its proper divisors (4296239847).

3149143269829 is an equidigital number, since it uses as much as digits as its factorization.

3149143269829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296239846.

The product of its digits is 20155392, while the sum is 61.

The spelling of 3149143269829 in words is "three trillion, one hundred forty-nine billion, one hundred forty-three million, two hundred sixty-nine thousand, eight hundred twenty-nine".