42109992577 has 8 divisors (see below), whose sum is σ = 42729681600. Its totient is φ = 41491042320.

The previous prime is 42109992539. The next prime is 42109992607. The reversal of 42109992577 is 77529990124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42109992577 - 2³⁵ = 7750254209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42109993577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69327 + ... + 298372.

It is an arithmetic number, because the mean of its divisors is an integer number (5341210200).

Almost surely, 2^42109992577 is an apocalyptic number.

It is an amenable number.

42109992577 is a deficient number, since it is larger than the sum of its proper divisors (619689023).

42109992577 is a wasteful number, since it uses less digits than its factorization.

42109992577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369383.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 42109992577 in words is "forty-two billion, one hundred nine million, nine hundred ninety-two thousand, five hundred seventy-seven".