768924842129 has 2 divisors, whose sum is σ = 768924842130. Its totient is φ = 768924842128.

The previous prime is 768924842107. The next prime is 768924842131. The reversal of 768924842129 is 921248429867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767416296529 + 1508545600 = 876023^2 + 38840^2 .

It is a cyclic number.

It is not a de Polignac number, because 768924842129 - 2²⁸ = 768656406673 is a prime.

Together with 768924842131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (768924842929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384462421064 + 384462421065.

It is an arithmetic number, because the mean of its divisors is an integer number (384462421065).

Almost surely, 2^768924842129 is an apocalyptic number.

It is an amenable number.

768924842129 is a deficient number, since it is larger than the sum of its proper divisors (1).

768924842129 is an equidigital number, since it uses as much as digits as its factorization.

768924842129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 62.

It can be divided in two parts, 7689248 and 42129, that added together give a palindrome (7731377).

The spelling of 768924842129 in words is "seven hundred sixty-eight billion, nine hundred twenty-four million, eight hundred forty-two thousand, one hundred twenty-nine".