4385023945 has 16 divisors (see below), whose sum is σ = 5813804160. Its totient is φ = 3158113024.

The previous prime is 4385023939. The next prime is 4385023949. The reversal of 4385023945 is 5493205834.

It is a cyclic number.

It is not a de Polignac number, because 4385023945 - 2⁵ = 4385023913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4385023949) 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, 1119535 + ... + 1123444.

It is an arithmetic number, because the mean of its divisors is an integer number (363362760).

Almost surely, 2^4385023945 is an apocalyptic number.

It is an amenable number.

4385023945 is a deficient number, since it is larger than the sum of its proper divisors (1428780215).

4385023945 is a wasteful number, since it uses less digits than its factorization.

4385023945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243024.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 4385023945 is about 66219.5133250011. The cubic root of 4385023945 is about 1636.7813066640.

The spelling of 4385023945 in words is "four billion, three hundred eighty-five million, twenty-three thousand, nine hundred forty-five".