3928742518 has 8 divisors (see below), whose sum is σ = 6203277720. Its totient is φ = 1860983280.

The previous prime is 3928742497. The next prime is 3928742567. The reversal of 3928742518 is 8152478293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51693943 + ... + 51694018.

It is an arithmetic number, because the mean of its divisors is an integer number (775409715).

Almost surely, 2^3928742518 is an apocalyptic number.

3928742518 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3928742518 is a deficient number, since it is larger than the sum of its proper divisors (2274535202).

3928742518 is a wasteful number, since it uses less digits than its factorization.

3928742518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103387982.

The product of its digits is 967680, while the sum is 49.

The square root of 3928742518 is about 62679.6818594351. The cubic root of 3928742518 is about 1577.9183340037.

The spelling of 3928742518 in words is "three billion, nine hundred twenty-eight million, seven hundred forty-two thousand, five hundred eighteen".