42471537771 has 16 divisors (see below), whose sum is σ = 61029009440. Its totient is φ = 26117372160.

The previous prime is 42471537769. The next prime is 42471537803. The reversal of 42471537771 is 17773517424.

It is not a de Polignac number, because 42471537771 - 2¹ = 42471537769 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 42471537771.

It is not an unprimeable number, because it can be changed into a prime (42471537701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340426 + ... + 448143.

It is an arithmetic number, because the mean of its divisors is an integer number (3814313090).

Almost surely, 2^42471537771 is an apocalyptic number.

42471537771 is a deficient number, since it is larger than the sum of its proper divisors (18557471669).

42471537771 is a wasteful number, since it uses less digits than its factorization.

42471537771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789966.

The product of its digits is 1152480, while the sum is 48.

The spelling of 42471537771 in words is "forty-two billion, four hundred seventy-one million, five hundred thirty-seven thousand, seven hundred seventy-one".