7900000036429 has 2 divisors, whose sum is σ = 7900000036430. Its totient is φ = 7900000036428.

The previous prime is 7900000036427. The next prime is 7900000036441. The reversal of 7900000036429 is 9246300000097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5080975826404 + 2819024210025 = 2254102^2 + 1678995^2 .

It is a cyclic number.

It is not a de Polignac number, because 7900000036429 - 2¹ = 7900000036427 is a prime.

Together with 7900000036427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7900000036391 and 7900000036400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7900000036427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950000018214 + 3950000018215.

It is an arithmetic number, because the mean of its divisors is an integer number (3950000018215).

Almost surely, 2^{7900000036429} is an apocalyptic number.

It is an amenable number.

7900000036429 is a deficient number, since it is larger than the sum of its proper divisors (1).

7900000036429 is an equidigital number, since it uses as much as digits as its factorization.

7900000036429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 7900000036429 in words is "seven trillion, nine hundred billion, thirty-six thousand, four hundred twenty-nine".