42670870705 has 4 divisors (see below), whose sum is σ = 51205044852. Its totient is φ = 34136696560.

The previous prime is 42670870691. The next prime is 42670870751. The reversal of 42670870705 is 50707807624.

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 10014405184 + 32656465521 = 100072^2 + 180711^2 .

It is not a de Polignac number, because 42670870705 - 2¹³ = 42670862513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4267087066 + ... + 4267087075.

It is an arithmetic number, because the mean of its divisors is an integer number (12801261213).

Almost surely, 2^42670870705 is an apocalyptic number.

It is an amenable number.

42670870705 is a deficient number, since it is larger than the sum of its proper divisors (8534174147).

42670870705 is an equidigital number, since it uses as much as digits as its factorization.

42670870705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534174146.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 42670870705 in words is "forty-two billion, six hundred seventy million, eight hundred seventy thousand, seven hundred five".