129049860537 has 192 divisors, whose sum is σ = 225304934400. Its totient is φ = 70454292480.

The previous prime is 129049860517. The next prime is 129049860587. The reversal of 129049860537 is 735068940921.

129049860537 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 49 + 8 + 60 + 537 = 666.

It is not a de Polignac number, because 129049860537 - 2¹¹ = 129049858489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129049860517) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 325062423 + ... + 325062819.

It is an arithmetic number, because the mean of its divisors is an integer number (1173463200).

It is a 1-persistent number, because it is pandigital, but 2⋅129049860537 = 258099721074 is not.

Almost surely, 2^129049860537 is an apocalyptic number.

It is an amenable number.

129049860537 is a deficient number, since it is larger than the sum of its proper divisors (96255073863).

129049860537 is a wasteful number, since it uses less digits than its factorization.

129049860537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 129049860537 in words is "one hundred twenty-nine billion, forty-nine million, eight hundred sixty thousand, five hundred thirty-seven".