4061909644 has 24 divisors (see below), whose sum is σ = 7662735248. Its totient is φ = 1872866880.

The previous prime is 4061909591. The next prime is 4061909651. The reversal of 4061909644 is 4469091604.

4061909644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4061909644.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14839 + ... + 91345.

Almost surely, 2^4061909644 is an apocalyptic number.

It is an amenable number.

4061909644 is a deficient number, since it is larger than the sum of its proper divisors (3600825604).

4061909644 is a wasteful number, since it uses less digits than its factorization.

4061909644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77545 (or 77543 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 4061909644 is about 63733.1126181673. The cubic root of 4061909644 is about 1595.5487796947.

The spelling of 4061909644 in words is "four billion, sixty-one million, nine hundred nine thousand, six hundred forty-four".