7684034129 has 2 divisors, whose sum is σ = 7684034130. Its totient is φ = 7684034128.

The previous prime is 7684034123. The next prime is 7684034173. The reversal of 7684034129 is 9214304867.

It is an a-pointer prime, because the next prime (7684034173) can be obtained adding 7684034129 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6276283729 + 1407750400 = 79223^2 + 37520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7684034129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7684034129.

It is not a weakly prime, because it can be changed into another prime (7684034123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3842017064 + 3842017065.

It is an arithmetic number, because the mean of its divisors is an integer number (3842017065).

Almost surely, 2^7684034129 is an apocalyptic number.

It is an amenable number.

7684034129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7684034129 is an equidigital number, since it uses as much as digits as its factorization.

7684034129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 7684034129 is about 87658.6226734142. The cubic root of 7684034129 is about 1973.3150509977.

The spelling of 7684034129 in words is "seven billion, six hundred eighty-four million, thirty-four thousand, one hundred twenty-nine".