3143791749 has 16 divisors (see below), whose sum is σ = 4800079872. Its totient is φ = 1792874928.

The previous prime is 3143791741. The next prime is 3143791753. The reversal of 3143791749 is 9471973413.

3143791749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3143791749 - 2³ = 3143791741 is a prime.

It is a super-2 number, since 2×3143791749² = 19766853122160958002, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3143791698 and 3143791707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143791741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138249 + ... + 159374.

It is an arithmetic number, because the mean of its divisors is an integer number (300004992).

Almost surely, 2^3143791749 is an apocalyptic number.

It is an amenable number.

3143791749 is a deficient number, since it is larger than the sum of its proper divisors (1656288123).

3143791749 is a wasteful number, since it uses less digits than its factorization.

3143791749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298136.

The product of its digits is 571536, while the sum is 48.

The square root of 3143791749 is about 56069.5260279593. The cubic root of 3143791749 is about 1464.9335429401.

The spelling of 3143791749 in words is "three billion, one hundred forty-three million, seven hundred ninety-one thousand, seven hundred forty-nine".