42047069101 has 4 divisors (see below), whose sum is σ = 43183476412. Its totient is φ = 40910661792.

The previous prime is 42047069089. The next prime is 42047069107. The reversal of 42047069101 is 10196074024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34495632900 + 7551436201 = 185730^2 + 86899^2 .

It is a cyclic number.

It is not a de Polignac number, because 42047069101 - 2¹¹ = 42047067053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42047069107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568203600 + ... + 568203673.

It is an arithmetic number, because the mean of its divisors is an integer number (10795869103).

Almost surely, 2^42047069101 is an apocalyptic number.

It is an amenable number.

42047069101 is a deficient number, since it is larger than the sum of its proper divisors (1136407311).

42047069101 is a wasteful number, since it uses less digits than its factorization.

42047069101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136407310.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 42047069101 in words is "forty-two billion, forty-seven million, sixty-nine thousand, one hundred one".