42471797945 has 8 divisors (see below), whose sum is σ = 50995241736. Its totient is φ = 33958048896.

The previous prime is 42471797887. The next prime is 42471797971. The reversal of 42471797945 is 54979717424.

It can be written as a sum of positive squares in 4 ways, for example, as 489427129 + 41982370816 = 22123^2 + 204896^2 .

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 42471797945 - 2⁸ = 42471797689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2414042 + ... + 2431571.

It is an arithmetic number, because the mean of its divisors is an integer number (6374405217).

Almost surely, 2^42471797945 is an apocalyptic number.

It is an amenable number.

42471797945 is a deficient number, since it is larger than the sum of its proper divisors (8523443791).

42471797945 is a wasteful number, since it uses less digits than its factorization.

42471797945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847371.

The product of its digits is 17781120, while the sum is 59.

The spelling of 42471797945 in words is "forty-two billion, four hundred seventy-one million, seven hundred ninety-seven thousand, nine hundred forty-five".