29129140275 has 12 divisors (see below), whose sum is σ = 48160178712. Its totient is φ = 15535541440.

The previous prime is 29129140247. The next prime is 29129140291. The reversal of 29129140275 is 57204192192.

It is not a de Polignac number, because 29129140275 - 2¹³ = 29129132083 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194194194 + ... + 194194343.

It is an arithmetic number, because the mean of its divisors is an integer number (4013348226).

Almost surely, 2^29129140275 is an apocalyptic number.

29129140275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29129140275 is a deficient number, since it is larger than the sum of its proper divisors (19031038437).

29129140275 is a wasteful number, since it uses less digits than its factorization.

29129140275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388388550 (or 388388545 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 29129140275 in words is "twenty-nine billion, one hundred twenty-nine million, one hundred forty thousand, two hundred seventy-five".