42245177356799 has 4 divisors (see below), whose sum is σ = 42457464680400. Its totient is φ = 42032890033200.

The previous prime is 42245177356757. The next prime is 42245177356813. The reversal of 42245177356799 is 99765377154224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42245177356799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42245177356099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106143661502 + ... + 106143661899.

It is an arithmetic number, because the mean of its divisors is an integer number (10614366170100).

Almost surely, 2^{42245177356799} is an apocalyptic number.

42245177356799 is a deficient number, since it is larger than the sum of its proper divisors (212287323601).

42245177356799 is a wasteful number, since it uses less digits than its factorization.

42245177356799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212287323600.

The product of its digits is 800150400, while the sum is 71.

The spelling of 42245177356799 in words is "forty-two trillion, two hundred forty-five billion, one hundred seventy-seven million, three hundred fifty-six thousand, seven hundred ninety-nine".