3188074849 has 4 divisors (see below), whose sum is σ = 3219027136. Its totient is φ = 3157122564.

The previous prime is 3188074831. The next prime is 3188074861. The reversal of 3188074849 is 9484708813.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9484708813 = 941 ⋅10079393.

It is a cyclic number.

It is not a de Polignac number, because 3188074849 - 2²³ = 3179686241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3188074796 and 3188074805.

It is not an unprimeable number, because it can be changed into a prime (3188074649) 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, 15475989 + ... + 15476194.

It is an arithmetic number, because the mean of its divisors is an integer number (804756784).

Almost surely, 2^3188074849 is an apocalyptic number.

It is an amenable number.

3188074849 is a deficient number, since it is larger than the sum of its proper divisors (30952287).

3188074849 is a wasteful number, since it uses less digits than its factorization.

3188074849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30952286.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 3188074849 is about 56463.0396719837. The cubic root of 3188074849 is about 1471.7797945214.

The spelling of 3188074849 in words is "three billion, one hundred eighty-eight million, seventy-four thousand, eight hundred forty-nine".