7989146050 has 12 divisors (see below), whose sum is σ = 14859811746. Its totient is φ = 3195658400.

The previous prime is 7989146029. The next prime is 7989146089. The reversal of 7989146050 is 506419897.

It can be written as a sum of positive squares in 3 ways, for example, as 3444633481 + 4544512569 = 58691^2 + 67413^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7989145985 and 7989146003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79891411 + ... + 79891510.

Almost surely, 2^7989146050 is an apocalyptic number.

7989146050 is a deficient number, since it is larger than the sum of its proper divisors (6870665696).

7989146050 is a wasteful number, since it uses less digits than its factorization.

7989146050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159782933 (or 159782928 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 7989146050 is about 89382.0230807068. The cubic root of 7989146050 is about 1999.0950948017.

The spelling of 7989146050 in words is "seven billion, nine hundred eighty-nine million, one hundred forty-six thousand, fifty".