5428243988 has 12 divisors (see below), whose sum is σ = 9999396960. Its totient is φ = 2571273432.

The previous prime is 5428243979. The next prime is 5428244039. The reversal of 5428243988 is 8893428245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35712056 + ... + 35712207.

It is an arithmetic number, because the mean of its divisors is an integer number (833283080).

Almost surely, 2^5428243988 is an apocalyptic number.

It is an amenable number.

5428243988 is a deficient number, since it is larger than the sum of its proper divisors (4571152972).

5428243988 is a wasteful number, since it uses less digits than its factorization.

5428243988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71424286 (or 71424284 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The square root of 5428243988 is about 73676.6176476635. The cubic root of 5428243988 is about 1757.4640634432.

The spelling of 5428243988 in words is "five billion, four hundred twenty-eight million, two hundred forty-three thousand, nine hundred eighty-eight".