3149969047 has 4 divisors (see below), whose sum is σ = 3150376720. Its totient is φ = 3149561376.

The previous prime is 3149969027. The next prime is 3149969059. The reversal of 3149969047 is 7409699413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3149969047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3149968985 and 3149969003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149969027) 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, 192018 + ... + 207775.

It is an arithmetic number, because the mean of its divisors is an integer number (787594180).

Almost surely, 2^3149969047 is an apocalyptic number.

3149969047 is a deficient number, since it is larger than the sum of its proper divisors (407673).

3149969047 is an equidigital number, since it uses as much as digits as its factorization.

3149969047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407672.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 3149969047 is about 56124.5850496910. The cubic root of 3149969047 is about 1465.8924073899.

It can be divided in two parts, 3149 and 969047, that added together give a square (972196 = 986²).

The spelling of 3149969047 in words is "three billion, one hundred forty-nine million, nine hundred sixty-nine thousand, forty-seven".