4023745489 has 9 divisors (see below), whose sum is σ = 4056035697. Its totient is φ = 3991711824.

The previous prime is 4023745469. The next prime is 4023745493. The reversal of 4023745489 is 9845473204.

It is a happy number.

The square root of 4023745489 is 63433.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 105987025 + 3917758464 = 10295^2 + 62592^2 .

It is not a de Polignac number, because 4023745489 - 2¹⁹ = 4023221201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023745459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14526019 + ... + 14526295.

It is an arithmetic number, because the mean of its divisors is an integer number (450670633).

Almost surely, 2^4023745489 is an apocalyptic number.

4023745489 is the 63433-rd square number.

4023745489 is the 31717-th centered octagonal number.

It is an amenable number.

4023745489 is a deficient number, since it is larger than the sum of its proper divisors (32290208).

4023745489 is an frugal number, since it uses more digits than its factorization.

4023745489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The cubic root of 4023745489 is about 1590.5359912568.

The spelling of 4023745489 in words is "four billion, twenty-three million, seven hundred forty-five thousand, four hundred eighty-nine".