7732909139 has 2 divisors, whose sum is σ = 7732909140. Its totient is φ = 7732909138.

The previous prime is 7732909127. The next prime is 7732909213. The reversal of 7732909139 is 9319092377.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7732909139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7732909109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3866454569 + 3866454570.

It is an arithmetic number, because the mean of its divisors is an integer number (3866454570).

Almost surely, 2^7732909139 is an apocalyptic number.

7732909139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7732909139 is an equidigital number, since it uses as much as digits as its factorization.

7732909139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 7732909139 is about 87936.9611653712. The cubic root of 7732909139 is about 1977.4900293417.

The spelling of 7732909139 in words is "seven billion, seven hundred thirty-two million, nine hundred nine thousand, one hundred thirty-nine".