4122654655442 has 8 divisors (see below), whose sum is σ = 6247734375036. Its totient is φ = 2040076530432.

The previous prime is 4122654655391. The next prime is 4122654655447. The reversal of 4122654655442 is 2445564562214.

It can be written as a sum of positive squares in 2 ways, for example, as 4047584683321 + 75069972121 = 2011861^2 + 273989^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4122654655447) 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, 10625398403 + ... + 10625398790.

Almost surely, 2^{4122654655442} is an apocalyptic number.

4122654655442 is a deficient number, since it is larger than the sum of its proper divisors (2125079719594).

4122654655442 is a wasteful number, since it uses less digits than its factorization.

4122654655442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21250797292.

The product of its digits is 9216000, while the sum is 50.

The spelling of 4122654655442 in words is "four trillion, one hundred twenty-two billion, six hundred fifty-four million, six hundred fifty-five thousand, four hundred forty-two".