42517846953 has 6 divisors (see below), whose sum is σ = 61414667834. Its totient is φ = 28345231296.

The previous prime is 42517846951. The next prime is 42517846967. The reversal of 42517846953 is 35964871524.

It is a happy number.

42517846953 is a `hidden beast` number, since 4 + 2 + 5 + 178 + 469 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24224743449 + 18293103504 = 155643^2 + 135252^2 .

It is not a de Polignac number, because 42517846953 - 2¹ = 42517846951 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42517846953.

It is not an unprimeable number, because it can be changed into a prime (42517846951) 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 5 ways as a sum of consecutive naturals, for example, 2362102600 + ... + 2362102617.

Almost surely, 2^42517846953 is an apocalyptic number.

It is an amenable number.

42517846953 is a deficient number, since it is larger than the sum of its proper divisors (18896820881).

42517846953 is a wasteful number, since it uses less digits than its factorization.

42517846953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724205223 (or 4724205220 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

It can be divided in two parts, 4251 and 7846953, that added together give a square (7851204 = 2802²).

The spelling of 42517846953 in words is "forty-two billion, five hundred seventeen million, eight hundred forty-six thousand, nine hundred fifty-three".