3143909493 has 6 divisors (see below), whose sum is σ = 4541202614. Its totient is φ = 2095939656.

The previous prime is 3143909473. The next prime is 3143909507. The reversal of 3143909493 is 3949093413.

3143909493 is a `hidden beast` number, since 31 + 43 + 90 + 9 + 493 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2754360324 + 389549169 = 52482^2 + 19737^2 .

It is not a de Polignac number, because 3143909493 - 2²⁴ = 3127132277 is a prime.

It is a super-3 number, since 3×3143909493³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143909413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174661630 + ... + 174661647.

Almost surely, 2^3143909493 is an apocalyptic number.

It is an amenable number.

3143909493 is a deficient number, since it is larger than the sum of its proper divisors (1397293121).

3143909493 is a wasteful number, since it uses less digits than its factorization.

3143909493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349323283 (or 349323280 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 3143909493 is about 56070.5760002517. The cubic root of 3143909493 is about 1464.9518313632.

The spelling of 3143909493 in words is "three billion, one hundred forty-three million, nine hundred nine thousand, four hundred ninety-three".