4242142661 has 8 divisors (see below), whose sum is σ = 4266307584. Its totient is φ = 4217998480.

The previous prime is 4242142627. The next prime is 4242142691. The reversal of 4242142661 is 1662412424.

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 4242142661 - 2¹⁰ = 4242141637 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 (4242142601) 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, 601391 + ... + 608403.

It is an arithmetic number, because the mean of its divisors is an integer number (533288448).

Almost surely, 2^4242142661 is an apocalyptic number.

It is an amenable number.

4242142661 is a deficient number, since it is larger than the sum of its proper divisors (24164923).

4242142661 is a wasteful number, since it uses less digits than its factorization.

4242142661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371.

The product of its digits is 18432, while the sum is 32.

The square root of 4242142661 is about 65131.7331337037. The cubic root of 4242142661 is about 1618.8070602050.

The spelling of 4242142661 in words is "four billion, two hundred forty-two million, one hundred forty-two thousand, six hundred sixty-one".