7924730650638 has 16 divisors (see below), whose sum is σ = 15954424622976. Its totient is φ = 2624082996600.

The previous prime is 7924730650621. The next prime is 7924730650679. The reversal of 7924730650638 is 8360560374297.

It is a super-2 number, since 2×7924730650638² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 4373470756 + ... + 4373472567.

It is an arithmetic number, because the mean of its divisors is an integer number (997151538936).

Almost surely, 2^{7924730650638} is an apocalyptic number.

7924730650638 is an abundant number, since it is smaller than the sum of its proper divisors (8029693972338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7924730650638 is a wasteful number, since it uses less digits than its factorization.

7924730650638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746943479.

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 7924730650638 in words is "seven trillion, nine hundred twenty-four billion, seven hundred thirty million, six hundred fifty thousand, six hundred thirty-eight".