7839468929 has 2 divisors, whose sum is σ = 7839468930. Its totient is φ = 7839468928.

The previous prime is 7839468839. The next prime is 7839468953. The reversal of 7839468929 is 9298649387.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4375557904 + 3463911025 = 66148^2 + 58855^2 .

It is a cyclic number.

It is not a de Polignac number, because 7839468929 - 2¹⁶ = 7839403393 is a prime.

It is a super-2 number, since 2×7839468929² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7839468979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3919734464 + 3919734465.

It is an arithmetic number, because the mean of its divisors is an integer number (3919734465).

Almost surely, 2^7839468929 is an apocalyptic number.

It is an amenable number.

7839468929 is a deficient number, since it is larger than the sum of its proper divisors (1).

7839468929 is an equidigital number, since it uses as much as digits as its factorization.

7839468929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 65.

The square root of 7839468929 is about 88540.7755161428. The cubic root of 7839468929 is about 1986.5319197374.

The spelling of 7839468929 in words is "seven billion, eight hundred thirty-nine million, four hundred sixty-eight thousand, nine hundred twenty-nine".