42742408971 has 8 divisors (see below), whose sum is σ = 57279168144. Its totient is φ = 28350294560.

The previous prime is 42742408963. The next prime is 42742408981. The reversal of 42742408971 is 17980424724.

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

It is a cyclic number.

It is not a de Polignac number, because 42742408971 - 2³ = 42742408963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42742408971.

It is not an unprimeable number, because it can be changed into a prime (42742408981) 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, 36160500 + ... + 36161681.

It is an arithmetic number, because the mean of its divisors is an integer number (7159896018).

Almost surely, 2^42742408971 is an apocalyptic number.

42742408971 is a deficient number, since it is larger than the sum of its proper divisors (14536759173).

42742408971 is a wasteful number, since it uses less digits than its factorization.

42742408971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72322381.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 42742408971 in words is "forty-two billion, seven hundred forty-two million, four hundred eight thousand, nine hundred seventy-one".