129532573019 has 2 divisors, whose sum is σ = 129532573020. Its totient is φ = 129532573018.

The previous prime is 129532573013. The next prime is 129532573031. The reversal of 129532573019 is 910375235921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129532573019 - 2⁴ = 129532573003 is a prime.

It is a super-2 number, since 2×129532573019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (129532573013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64766286509 + 64766286510.

It is an arithmetic number, because the mean of its divisors is an integer number (64766286510).

Almost surely, 2^129532573019 is an apocalyptic number.

129532573019 is a deficient number, since it is larger than the sum of its proper divisors (1).

129532573019 is an equidigital number, since it uses as much as digits as its factorization.

129532573019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 129532573019 in words is "one hundred twenty-nine billion, five hundred thirty-two million, five hundred seventy-three thousand, nineteen".