42471201243 has 32 divisors (see below), whose sum is σ = 58158604800. Its totient is φ = 27560736000.

The previous prime is 42471201217. The next prime is 42471201263. The reversal of 42471201243 is 34210217424.

It is not a de Polignac number, because 42471201243 - 2²¹ = 42469104091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42471201243.

It is not an unprimeable number, because it can be changed into a prime (42471201203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8150823 + ... + 8156031.

It is an arithmetic number, because the mean of its divisors is an integer number (1817456400).

Almost surely, 2^42471201243 is an apocalyptic number.

42471201243 is a deficient number, since it is larger than the sum of its proper divisors (15687403557).

42471201243 is a wasteful number, since it uses less digits than its factorization.

42471201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763.

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 42471201243 its reverse (34210217424), we get a palindrome (76681418667).

The spelling of 42471201243 in words is "forty-two billion, four hundred seventy-one million, two hundred one thousand, two hundred forty-three".