42726870684049 has 8 divisors (see below), whose sum is σ = 43770371237120. Its totient is φ = 41685636149136.

The previous prime is 42726870684019. The next prime is 42726870684061. The reversal of 42726870684049 is 94048607862724.

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 42726870684049 - 2³⁹ = 42177114870161 is a prime.

It is a super-2 number, since 2×42726870684049² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42726870684019) 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, 566466369 + ... + 566541790.

It is an arithmetic number, because the mean of its divisors is an integer number (5471296404640).

Almost surely, 2^{42726870684049} is an apocalyptic number.

It is an amenable number.

42726870684049 is a deficient number, since it is larger than the sum of its proper divisors (1043500553071).

42726870684049 is a wasteful number, since it uses less digits than its factorization.

42726870684049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133009079.

The product of its (nonzero) digits is 260112384, while the sum is 67.

The spelling of 42726870684049 in words is "forty-two trillion, seven hundred twenty-six billion, eight hundred seventy million, six hundred eighty-four thousand, forty-nine".