3947473849283 has 4 divisors (see below), whose sum is σ = 3964415797368. Its totient is φ = 3930531901200.

The previous prime is 3947473849271. The next prime is 3947473849321. The reversal of 3947473849283 is 3829483747493.

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 3947473849283 - 2⁶ = 3947473849219 is a prime.

It is a super-2 number, since 2×3947473849283² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3947473849213) 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, 8470973693 + ... + 8470974158.

It is an arithmetic number, because the mean of its divisors is an integer number (991103949342).

Almost surely, 2^{3947473849283} is an apocalyptic number.

3947473849283 is a deficient number, since it is larger than the sum of its proper divisors (16941948085).

3947473849283 is a wasteful number, since it uses less digits than its factorization.

3947473849283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16941948084.

The product of its digits is 877879296, while the sum is 71.

The spelling of 3947473849283 in words is "three trillion, nine hundred forty-seven billion, four hundred seventy-three million, eight hundred forty-nine thousand, two hundred eighty-three".