42609866275 has 12 divisors (see below), whose sum is σ = 52841403400. Its totient is φ = 34084558080.

The previous prime is 42609866261. The next prime is 42609866287. The reversal of 42609866275 is 57266890624.

It is not a de Polignac number, because 42609866275 - 2⁷ = 42609866147 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195571 + ... + 351379.

Almost surely, 2^42609866275 is an apocalyptic number.

42609866275 is a deficient number, since it is larger than the sum of its proper divisors (10231537125).

42609866275 is a wasteful number, since it uses less digits than its factorization.

42609866275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166758 (or 166753 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 42609866275 in words is "forty-two billion, six hundred nine million, eight hundred sixty-six thousand, two hundred seventy-five".