42738462385 has 8 divisors (see below), whose sum is σ = 51814878696. Its totient is φ = 33838287360.

The previous prime is 42738462311. The next prime is 42738462409. The reversal of 42738462385 is 58326483724.

It can be written as a sum of positive squares in 4 ways, for example, as 14430736384 + 28307726001 = 120128^2 + 168249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42738462385 - 2⁷ = 42738462257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44059786 + ... + 44060755.

It is an arithmetic number, because the mean of its divisors is an integer number (6476859837).

Almost surely, 2^42738462385 is an apocalyptic number.

It is an amenable number.

42738462385 is a deficient number, since it is larger than the sum of its proper divisors (9076416311).

42738462385 is an equidigital number, since it uses as much as digits as its factorization.

42738462385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88120643.

The product of its digits is 7741440, while the sum is 52.

The spelling of 42738462385 in words is "forty-two billion, seven hundred thirty-eight million, four hundred sixty-two thousand, three hundred eighty-five".