129170369433 has 16 divisors (see below), whose sum is σ = 196870108160. Its totient is φ = 73796988816.

The previous prime is 129170369417. The next prime is 129170369467. The reversal of 129170369433 is 334963071921.

It is not a de Polignac number, because 129170369433 - 2⁴ = 129170369417 is a prime.

It is a super-3 number, since 3×129170369433³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129170369533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501685 + ... + 714162.

It is an arithmetic number, because the mean of its divisors is an integer number (12304381760).

Almost surely, 2^129170369433 is an apocalyptic number.

It is an amenable number.

129170369433 is a deficient number, since it is larger than the sum of its proper divisors (67699738727).

129170369433 is a wasteful number, since it uses less digits than its factorization.

129170369433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220916.

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 129170369433 in words is "one hundred twenty-nine billion, one hundred seventy million, three hundred sixty-nine thousand, four hundred thirty-three".