42154410547 has 4 divisors (see below), whose sum is σ = 43134745720. Its totient is φ = 41174075376.

The previous prime is 42154410539. The next prime is 42154410581. The reversal of 42154410547 is 74501445124.

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

It is a cyclic number.

It is not a de Polignac number, because 42154410547 - 2³ = 42154410539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42154410047) 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, 490167522 + ... + 490167607.

It is an arithmetic number, because the mean of its divisors is an integer number (10783686430).

Almost surely, 2^42154410547 is an apocalyptic number.

42154410547 is a deficient number, since it is larger than the sum of its proper divisors (980335173).

42154410547 is an equidigital number, since it uses as much as digits as its factorization.

42154410547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980335172.

The product of its (nonzero) digits is 89600, while the sum is 37.

The spelling of 42154410547 in words is "forty-two billion, one hundred fifty-four million, four hundred ten thousand, five hundred forty-seven".