63047042437 has 4 divisors (see below), whose sum is σ = 63470177100. Its totient is φ = 62623907776.

The previous prime is 63047042431. The next prime is 63047042479. The reversal of 63047042437 is 73424074036.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9563079681 + 53483962756 = 97791^2 + 231266^2 .

It is a cyclic number.

It is not a de Polignac number, because 63047042437 - 2¹¹ = 63047040389 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 63047042437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63047042431) 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, 211567108 + ... + 211567405.

It is an arithmetic number, because the mean of its divisors is an integer number (15867544275).

Almost surely, 2^63047042437 is an apocalyptic number.

It is an amenable number.

63047042437 is a deficient number, since it is larger than the sum of its proper divisors (423134663).

63047042437 is a wasteful number, since it uses less digits than its factorization.

63047042437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423134662.

The product of its (nonzero) digits is 338688, while the sum is 40.

The spelling of 63047042437 in words is "sixty-three billion, forty-seven million, forty-two thousand, four hundred thirty-seven".