42738503847 has 16 divisors (see below), whose sum is σ = 61382418048. Its totient is φ = 26294484960.

The previous prime is 42738503813. The next prime is 42738503869. The reversal of 42738503847 is 74830583724.

It is not a de Polignac number, because 42738503847 - 2¹⁰ = 42738502823 is a prime.

It is a super-2 number, since 2×42738503847² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42738503847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42738503807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44572 + ... + 295742.

It is an arithmetic number, because the mean of its divisors is an integer number (3836401128).

Almost surely, 2^42738503847 is an apocalyptic number.

42738503847 is a deficient number, since it is larger than the sum of its proper divisors (18643914201).

42738503847 is a wasteful number, since it uses less digits than its factorization.

42738503847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255550.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 42738503847 in words is "forty-two billion, seven hundred thirty-eight million, five hundred three thousand, eight hundred forty-seven".