42112847465 has 8 divisors (see below), whose sum is σ = 54422756808. Its totient is φ = 31098718080.

The previous prime is 42112847453. The next prime is 42112847467. The reversal of 42112847465 is 56474821124.

It can be written as a sum of positive squares in 4 ways, for example, as 1892946064 + 40219901401 = 43508^2 + 200549^2 .

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

It is not a de Polignac number, because 42112847465 - 2⁴ = 42112847449 is a prime.

It is a super-2 number, since 2×42112847465² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42112847467) 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 7 ways as a sum of consecutive naturals, for example, 323944916 + ... + 323945045.

It is an arithmetic number, because the mean of its divisors is an integer number (6802844601).

Almost surely, 2^42112847465 is an apocalyptic number.

It is an amenable number.

42112847465 is a deficient number, since it is larger than the sum of its proper divisors (12309909343).

42112847465 is a wasteful number, since it uses less digits than its factorization.

42112847465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647889979.

The product of its digits is 430080, while the sum is 44.

The spelling of 42112847465 in words is "forty-two billion, one hundred twelve million, eight hundred forty-seven thousand, four hundred sixty-five".