129027935419 has 2 divisors, whose sum is σ = 129027935420. Its totient is φ = 129027935418.

The previous prime is 129027935317. The next prime is 129027935549. The reversal of 129027935419 is 914539720921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129027935419 - 2¹¹ = 129027933371 is a prime.

It is a super-2 number, since 2×129027935419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (129027995419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64513967709 + 64513967710.

It is an arithmetic number, because the mean of its divisors is an integer number (64513967710).

Almost surely, 2^129027935419 is an apocalyptic number.

129027935419 is a deficient number, since it is larger than the sum of its proper divisors (1).

129027935419 is an equidigital number, since it uses as much as digits as its factorization.

129027935419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 129027935419 in words is "one hundred twenty-nine billion, twenty-seven million, nine hundred thirty-five thousand, four hundred nineteen".