3864845456147 has 4 divisors (see below), whose sum is σ = 4162141260480. Its totient is φ = 3567549651816.

The previous prime is 3864845456119. The next prime is 3864845456177. The reversal of 3864845456147 is 7416545484683.

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 3864845456147 - 2⁴⁰ = 2765333828371 is a prime.

It is a super-2 number, since 2×3864845456147² (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 (3864845456107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148647902147 + ... + 148647902172.

It is an arithmetic number, because the mean of its divisors is an integer number (1040535315120).

Almost surely, 2^{3864845456147} is an apocalyptic number.

3864845456147 is a deficient number, since it is larger than the sum of its proper divisors (297295804333).

3864845456147 is a wasteful number, since it uses less digits than its factorization.

3864845456147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297295804332.

The product of its digits is 309657600, while the sum is 65.

The spelling of 3864845456147 in words is "three trillion, eight hundred sixty-four billion, eight hundred forty-five million, four hundred fifty-six thousand, one hundred forty-seven".