3948789512 has 32 divisors (see below), whose sum is σ = 7853251320. Its totient is φ = 1854996480.

The previous prime is 3948789487. The next prime is 3948789547. The reversal of 3948789512 is 2159878493.

It can be written as a sum of positive squares in 4 ways, for example, as 3778069156 + 170720356 = 61466^2 + 13066^2 .

It is a super-2 number, since 2×3948789512² = 31185877220162396288, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 53312 + ... + 103632.

Almost surely, 2^3948789512 is an apocalyptic number.

It is an amenable number.

3948789512 is a deficient number, since it is larger than the sum of its proper divisors (3904461808).

3948789512 is a wasteful number, since it uses less digits than its factorization.

3948789512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50921 (or 50917 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 3948789512 is about 62839.3945865171. The cubic root of 3948789512 is about 1580.5976364370.

The spelling of 3948789512 in words is "three billion, nine hundred forty-eight million, seven hundred eighty-nine thousand, five hundred twelve".