7648932139 has 16 divisors (see below), whose sum is σ = 7862198400. Its totient is φ = 7437957120.

The previous prime is 7648932133. The next prime is 7648932143. The reversal of 7648932139 is 9312398467.

It is a cyclic number.

It is not a de Polignac number, because 7648932139 - 2¹⁵ = 7648899371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7648932133) 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 15 ways as a sum of consecutive naturals, for example, 5789599 + ... + 5790919.

It is an arithmetic number, because the mean of its divisors is an integer number (491387400).

Almost surely, 2^7648932139 is an apocalyptic number.

7648932139 is a deficient number, since it is larger than the sum of its proper divisors (213266261).

7648932139 is a wasteful number, since it uses less digits than its factorization.

7648932139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070.

The product of its digits is 1959552, while the sum is 52.

The square root of 7648932139 is about 87458.1736546105. The cubic root of 7648932139 is about 1970.3056496216.

The spelling of 7648932139 in words is "seven billion, six hundred forty-eight million, nine hundred thirty-two thousand, one hundred thirty-nine".