3649282678 has 4 divisors (see below), whose sum is σ = 5473924020. Its totient is φ = 1824641338.

The previous prime is 3649282673. The next prime is 3649282697. The reversal of 3649282678 is 8762829463.

3649282678 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, and also an emirpimes, since its reverse is a distinct semiprime: 8762829463 = 3449 ⋅2540687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649282673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912320668 + ... + 912320671.

It is an arithmetic number, because the mean of its divisors is an integer number (1368481005).

Almost surely, 2^3649282678 is an apocalyptic number.

3649282678 is a deficient number, since it is larger than the sum of its proper divisors (1824641342).

3649282678 is a wasteful number, since it uses less digits than its factorization.

3649282678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824641341.

The product of its digits is 6967296, while the sum is 55.

The square root of 3649282678 is about 60409.2929771571. The cubic root of 3649282678 is about 1539.5808548968.

The spelling of 3649282678 in words is "three billion, six hundred forty-nine million, two hundred eighty-two thousand, six hundred seventy-eight".