42726733217729 has 16 divisors (see below), whose sum is σ = 47494409719680. Its totient is φ = 38106417423360.

The previous prime is 42726733217657. The next prime is 42726733217743. The reversal of 42726733217729 is 92771233762724.

It is not a de Polignac number, because 42726733217729 - 2²⁰ = 42726732169153 is a prime.

It is a super-2 number, since 2×42726733217729² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42726733217029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3916364 + ... + 10039490.

It is an arithmetic number, because the mean of its divisors is an integer number (2968400607480).

Almost surely, 2^{42726733217729} is an apocalyptic number.

It is an amenable number.

42726733217729 is a deficient number, since it is larger than the sum of its proper divisors (4767676501951).

42726733217729 is a wasteful number, since it uses less digits than its factorization.

42726733217729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135160.

The product of its digits is 74680704, while the sum is 62.

The spelling of 42726733217729 in words is "forty-two trillion, seven hundred twenty-six billion, seven hundred thirty-three million, two hundred seventeen thousand, seven hundred twenty-nine".