42129583707 has 8 divisors (see below), whose sum is σ = 56176524880. Its totient is φ = 28084515840.

The previous prime is 42129583681. The next prime is 42129583729. The reversal of 42129583707 is 70738592124.

It is a happy number.

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

It is not a de Polignac number, because 42129583707 - 2¹⁴ = 42129567323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42129583777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414982 + ... + 506427.

It is an arithmetic number, because the mean of its divisors is an integer number (7022065610).

Almost surely, 2^42129583707 is an apocalyptic number.

42129583707 is a deficient number, since it is larger than the sum of its proper divisors (14046941173).

42129583707 is a wasteful number, since it uses less digits than its factorization.

42129583707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936653.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 42129583707 in words is "forty-two billion, one hundred twenty-nine million, five hundred eighty-three thousand, seven hundred seven".