247129159799 has 2 divisors, whose sum is σ = 247129159800. Its totient is φ = 247129159798.

The previous prime is 247129159751. The next prime is 247129159801. The reversal of 247129159799 is 997951921742.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247129159799 is a prime.

It is a super-2 number, since 2×247129159799² (a number of 24 digits) contains 22 as substring.

Together with 247129159801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247129159099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123564579899 + 123564579900.

It is an arithmetic number, because the mean of its divisors is an integer number (123564579900).

Almost surely, 2^247129159799 is an apocalyptic number.

247129159799 is a deficient number, since it is larger than the sum of its proper divisors (1).

247129159799 is an equidigital number, since it uses as much as digits as its factorization.

247129159799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25719120, while the sum is 65.

The spelling of 247129159799 in words is "two hundred forty-seven billion, one hundred twenty-nine million, one hundred fifty-nine thousand, seven hundred ninety-nine".