3683948649 has 8 divisors (see below), whose sum is σ = 4912552992. Its totient is φ = 2455655040.

The previous prime is 3683948633. The next prime is 3683948657. The reversal of 3683948649 is 9468493863.

3683948649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3683948649 - 2⁴ = 3683948633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3683948592 and 3683948601.

It is not an unprimeable number, because it can be changed into a prime (3683948669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48447 + ... + 98564.

It is an arithmetic number, because the mean of its divisors is an integer number (614069124).

Almost surely, 2^3683948649 is an apocalyptic number.

It is an amenable number.

3683948649 is a deficient number, since it is larger than the sum of its proper divisors (1228604343).

3683948649 is a wasteful number, since it uses less digits than its factorization.

3683948649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155367.

The product of its digits is 26873856, while the sum is 60.

The square root of 3683948649 is about 60695.5406022551. The cubic root of 3683948649 is about 1544.4405272078.

The spelling of 3683948649 in words is "three billion, six hundred eighty-three million, nine hundred forty-eight thousand, six hundred forty-nine".