4021889677 has 16 divisors (see below), whose sum is σ = 4452031360. Its totient is φ = 3609168192.

The previous prime is 4021889647. The next prime is 4021889693. The reversal of 4021889677 is 7769881204.

It is a cyclic number.

It is not a de Polignac number, because 4021889677 - 2¹⁹ = 4021365389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021889617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739474 + ... + 744892.

It is an arithmetic number, because the mean of its divisors is an integer number (278251960).

Almost surely, 2^4021889677 is an apocalyptic number.

It is an amenable number.

4021889677 is a deficient number, since it is larger than the sum of its proper divisors (430141683).

4021889677 is a wasteful number, since it uses less digits than its factorization.

4021889677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 4021889677 is about 63418.3701856174. The cubic root of 4021889677 is about 1590.2914272721.

The spelling of 4021889677 in words is "four billion, twenty-one million, eight hundred eighty-nine thousand, six hundred seventy-seven".