42571473951 has 4 divisors (see below), whose sum is σ = 56761965272. Its totient is φ = 28380982632.

The previous prime is 42571473947. The next prime is 42571473977. The reversal of 42571473951 is 15937417524.

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

It is not a de Polignac number, because 42571473951 - 2² = 42571473947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42571473951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42571473851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7095245656 + ... + 7095245661.

It is an arithmetic number, because the mean of its divisors is an integer number (14190491318).

Almost surely, 2^42571473951 is an apocalyptic number.

42571473951 is a deficient number, since it is larger than the sum of its proper divisors (14190491321).

42571473951 is a wasteful number, since it uses less digits than its factorization.

42571473951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190491320.

The product of its digits is 1058400, while the sum is 48.

The spelling of 42571473951 in words is "forty-two billion, five hundred seventy-one million, four hundred seventy-three thousand, nine hundred fifty-one".