4389923512 has 16 divisors (see below), whose sum is σ = 8864268840. Its totient is φ = 2026118496.

The previous prime is 4389923479. The next prime is 4389923513. The reversal of 4389923512 is 2153299834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389923513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21105298 + ... + 21105505.

Almost surely, 2^4389923512 is an apocalyptic number.

It is an amenable number.

4389923512 is an abundant number, since it is smaller than the sum of its proper divisors (4474345328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4389923512 is a wasteful number, since it uses less digits than its factorization.

4389923512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42210822 (or 42210818 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 4389923512 is about 66256.4978851131. The cubic root of 4389923512 is about 1637.3906940382.

The spelling of 4389923512 in words is "four billion, three hundred eighty-nine million, nine hundred twenty-three thousand, five hundred twelve".