6652605139 has 2 divisors, whose sum is σ = 6652605140. Its totient is φ = 6652605138.

The previous prime is 6652605107. The next prime is 6652605203. The reversal of 6652605139 is 9315062566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6652605139 - 2⁵ = 6652605107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6652605095 and 6652605104.

It is not a weakly prime, because it can be changed into another prime (6652608139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3326302569 + 3326302570.

It is an arithmetic number, because the mean of its divisors is an integer number (3326302570).

Almost surely, 2^6652605139 is an apocalyptic number.

6652605139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6652605139 is an equidigital number, since it uses as much as digits as its factorization.

6652605139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 6652605139 is about 81563.5037194945. The cubic root of 6652605139 is about 1880.7478859157.

The spelling of 6652605139 in words is "six billion, six hundred fifty-two million, six hundred five thousand, one hundred thirty-nine".