7158396650 has 12 divisors (see below), whose sum is σ = 13314617862. Its totient is φ = 2863358640.

The previous prime is 7158396629. The next prime is 7158396653. The reversal of 7158396650 is 566938517.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2627895169 + 4530501481 = 51263^2 + 67309^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 143167933 = 7158396650 / (7 + 1 + 5 + 8 + 3 + 9 + 6 + 6 + 5 + 0).

It is not an unprimeable number, because it can be changed into a prime (7158396653) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 71583917 + ... + 71584016.

Almost surely, 2^7158396650 is an apocalyptic number.

7158396650 is a deficient number, since it is larger than the sum of its proper divisors (6156221212).

7158396650 is a wasteful number, since it uses less digits than its factorization.

7158396650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143167945 (or 143167940 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 7158396650 is about 84607.3084904608. The cubic root of 7158396650 is about 1927.2523610498.

The spelling of 7158396650 in words is "seven billion, one hundred fifty-eight million, three hundred ninety-six thousand, six hundred fifty".