42664304325305 has 16 divisors (see below), whose sum is σ = 56039267830224. Its totient is φ = 30989456858880.

The previous prime is 42664304325263. The next prime is 42664304325323. The reversal of 42664304325305 is 50352340346624.

It can be written as a sum of positive squares in 8 ways, for example, as 6822434296441 + 35841870028864 = 2611979^2 + 5986808^2 .

It is not a de Polignac number, because 42664304325305 - 2³⁴ = 42647124456121 is a prime.

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 42664304325305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5380110074 + ... + 5380118003.

It is an arithmetic number, because the mean of its divisors is an integer number (3502454239389).

Almost surely, 2^{42664304325305} is an apocalyptic number.

It is an amenable number.

42664304325305 is a deficient number, since it is larger than the sum of its proper divisors (13374963504919).

42664304325305 is a wasteful number, since it uses less digits than its factorization.

42664304325305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760228156.

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 42664304325305 in words is "forty-two trillion, six hundred sixty-four billion, three hundred four million, three hundred twenty-five thousand, three hundred five".