42129079201 has 16 divisors (see below), whose sum is σ = 47553039360. Its totient is φ = 36971307520.

The previous prime is 42129079171. The next prime is 42129079207. The reversal of 42129079201 is 10297092124.

It is a cyclic number.

It is not a de Polignac number, because 42129079201 - 2⁵ = 42129079169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42129079207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256561 + ... + 2275153.

It is an arithmetic number, because the mean of its divisors is an integer number (2972064960).

Almost surely, 2^42129079201 is an apocalyptic number.

It is an amenable number.

42129079201 is a deficient number, since it is larger than the sum of its proper divisors (5423960159).

42129079201 is a wasteful number, since it uses less digits than its factorization.

42129079201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25736.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 42129079201 in words is "forty-two billion, one hundred twenty-nine million, seventy-nine thousand, two hundred one".