42729005175 has 12 divisors (see below), whose sum is σ = 70645288680. Its totient is φ = 22788802720.

The previous prime is 42729005173. The next prime is 42729005177. The reversal of 42729005175 is 57150092724.

It is an interprime number because it is at equal distance from previous prime (42729005173) and next prime (42729005177).

It is not a de Polignac number, because 42729005175 - 2¹ = 42729005173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42729005173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284859960 + ... + 284860109.

It is an arithmetic number, because the mean of its divisors is an integer number (5887107390).

Almost surely, 2^42729005175 is an apocalyptic number.

42729005175 is a deficient number, since it is larger than the sum of its proper divisors (27916283505).

42729005175 is a wasteful number, since it uses less digits than its factorization.

42729005175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569720082 (or 569720077 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

Adding to 42729005175 its reverse (57150092724), we get a palindrome (99879097899).

The spelling of 42729005175 in words is "forty-two billion, seven hundred twenty-nine million, five thousand, one hundred seventy-five".