42729689375 has 20 divisors (see below), whose sum is σ = 53429622048. Its totient is φ = 34161600000.

The previous prime is 42729689311. The next prime is 42729689383. The reversal of 42729689375 is 57398692724.

It is not a de Polignac number, because 42729689375 - 2⁶ = 42729689311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 979274 + ... + 1021976.

Almost surely, 2^42729689375 is an apocalyptic number.

42729689375 is a deficient number, since it is larger than the sum of its proper divisors (10699932673).

42729689375 is an equidigital number, since it uses as much as digits as its factorization.

42729689375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44324 (or 44309 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 62.

The spelling of 42729689375 in words is "forty-two billion, seven hundred twenty-nine million, six hundred eighty-nine thousand, three hundred seventy-five".