3147745644047 has 4 divisors (see below), whose sum is σ = 3256288597320. Its totient is φ = 3039202690776.

The previous prime is 3147745644031. The next prime is 3147745644059. The reversal of 3147745644047 is 7404465477413.

3147745644047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3147745644047 - 2⁴ = 3147745644031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3147745643983 and 3147745644001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147745647047) 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, 54271476593 + ... + 54271476650.

It is an arithmetic number, because the mean of its divisors is an integer number (814072149330).

Almost surely, 2^{3147745644047} is an apocalyptic number.

3147745644047 is a deficient number, since it is larger than the sum of its proper divisors (108542953273).

3147745644047 is a wasteful number, since it uses less digits than its factorization.

3147745644047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108542953272.

The product of its (nonzero) digits is 31610880, while the sum is 56.

The spelling of 3147745644047 in words is "three trillion, one hundred forty-seven billion, seven hundred forty-five million, six hundred forty-four thousand, forty-seven".