3648678547 has 4 divisors (see below), whose sum is σ = 3840714280. Its totient is φ = 3456642816.

The previous prime is 3648678497. The next prime is 3648678611. The reversal of 3648678547 is 7458768463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7458768463 = 23 ⋅324294281.

It is a cyclic number.

It is not a de Polignac number, because 3648678547 - 2⁷ = 3648678419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3648678491 and 3648678500.

It is not an unprimeable number, because it can be changed into a prime (3648670547) 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, 96017838 + ... + 96017875.

It is an arithmetic number, because the mean of its divisors is an integer number (960178570).

Almost surely, 2^3648678547 is an apocalyptic number.

3648678547 is a deficient number, since it is larger than the sum of its proper divisors (192035733).

3648678547 is a wasteful number, since it uses less digits than its factorization.

3648678547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192035732.

The product of its digits is 27095040, while the sum is 58.

The square root of 3648678547 is about 60404.2924550896. The cubic root of 3648678547 is about 1539.4958920942.

The spelling of 3648678547 in words is "three billion, six hundred forty-eight million, six hundred seventy-eight thousand, five hundred forty-seven".