39650428615 has 16 divisors (see below), whose sum is σ = 54650995200. Its totient is φ = 27052233120.

The previous prime is 39650428583. The next prime is 39650428639. The reversal of 39650428615 is 51682405693.

It is not a de Polignac number, because 39650428615 - 2⁵ = 39650428583 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2839441 + ... + 2853370.

It is an arithmetic number, because the mean of its divisors is an integer number (3415687200).

Almost surely, 2^39650428615 is an apocalyptic number.

39650428615 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39650428615 is a deficient number, since it is larger than the sum of its proper divisors (15000566585).

39650428615 is a wasteful number, since it uses less digits than its factorization.

39650428615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693022.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 39650428615 in words is "thirty-nine billion, six hundred fifty million, four hundred twenty-eight thousand, six hundred fifteen".