129419363503 has 2 divisors, whose sum is σ = 129419363504. Its totient is φ = 129419363502.

The previous prime is 129419363501. The next prime is 129419363543. The reversal of 129419363503 is 305363914921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129419363503 - 2¹ = 129419363501 is a prime.

Together with 129419363501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129419363501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64709681751 + 64709681752.

It is an arithmetic number, because the mean of its divisors is an integer number (64709681752).

Almost surely, 2^129419363503 is an apocalyptic number.

129419363503 is a deficient number, since it is larger than the sum of its proper divisors (1).

129419363503 is an equidigital number, since it uses as much as digits as its factorization.

129419363503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 129419363503 in words is "one hundred twenty-nine billion, four hundred nineteen million, three hundred sixty-three thousand, five hundred three".