42669729955 has 16 divisors (see below), whose sum is σ = 54540319680. Its totient is φ = 31935404032.

The previous prime is 42669729941. The next prime is 42669729979. The reversal of 42669729955 is 55992796624.

42669729955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42669729955 - 2¹⁷ = 42669598883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488790 + ... + 1517179.

It is an arithmetic number, because the mean of its divisors is an integer number (3408769980).

Almost surely, 2^42669729955 is an apocalyptic number.

42669729955 is a deficient number, since it is larger than the sum of its proper divisors (11870589725).

42669729955 is a wasteful number, since it uses less digits than its factorization.

42669729955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006158.

The product of its digits is 73483200, while the sum is 64.

The spelling of 42669729955 in words is "forty-two billion, six hundred sixty-nine million, seven hundred twenty-nine thousand, nine hundred fifty-five".