4661649419 has 16 divisors (see below), whose sum is σ = 5457708288. Its totient is φ = 3899234592.

The previous prime is 4661649409. The next prime is 4661649431. The reversal of 4661649419 is 9149461664.

It is a happy number.

4661649419 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4661649419 - 2⁸ = 4661649163 is a prime.

It is a super-2 number, since 2×4661649419² = 43461950611326075122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4661649409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3737 + ... + 96629.

It is an arithmetic number, because the mean of its divisors is an integer number (341106768).

Almost surely, 2^4661649419 is an apocalyptic number.

4661649419 is a deficient number, since it is larger than the sum of its proper divisors (796058869).

4661649419 is a wasteful number, since it uses less digits than its factorization.

4661649419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93074.

The product of its digits is 1119744, while the sum is 50.

The square root of 4661649419 is about 68276.2727380457. The cubic root of 4661649419 is about 1670.5002169658.

The spelling of 4661649419 in words is "four billion, six hundred sixty-one million, six hundred forty-nine thousand, four hundred nineteen".