129550898462 has 8 divisors (see below), whose sum is σ = 205757309376. Its totient is φ = 60965128672.

The previous prime is 129550898437. The next prime is 129550898509. The reversal of 129550898462 is 264898055921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×129550898462² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905160238 + ... + 1905160305.

It is an arithmetic number, because the mean of its divisors is an integer number (25719663672).

Almost surely, 2^129550898462 is an apocalyptic number.

129550898462 is a deficient number, since it is larger than the sum of its proper divisors (76206410914).

129550898462 is a wasteful number, since it uses less digits than its factorization.

129550898462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810320562.

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 129550898462 in words is "one hundred twenty-nine billion, five hundred fifty million, eight hundred ninety-eight thousand, four hundred sixty-two".