7929286428650 has 24 divisors (see below), whose sum is σ = 15616029979980. Its totient is φ = 2985143125760.

The previous prime is 7929286428631. The next prime is 7929286428703. The reversal of 7929286428650 is 568246829297.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2426494713841 + 5502791714809 = 1557721^2 + 2345803^2 .

It is a super-3 number, since 3×7929286428650³ (a number of 40 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4664285285 + ... + 4664286984.

Almost surely, 2^{7929286428650} is an apocalyptic number.

7929286428650 is a deficient number, since it is larger than the sum of its proper divisors (7686743551330).

7929286428650 is a wasteful number, since it uses less digits than its factorization.

7929286428650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328572298 (or 9328572293 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 7929286428650 in words is "seven trillion, nine hundred twenty-nine billion, two hundred eighty-six million, four hundred twenty-eight thousand, six hundred fifty".