42635664654242 has 8 divisors (see below), whose sum is σ = 69767451252432. Its totient is φ = 19379847570100.

The previous prime is 42635664654197. The next prime is 42635664654251. The reversal of 42635664654242 is 24245646653624.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968992378484 + ... + 968992378527.

It is an arithmetic number, because the mean of its divisors is an integer number (8720931406554).

Almost surely, 2^{42635664654242} is an apocalyptic number.

42635664654242 is a deficient number, since it is larger than the sum of its proper divisors (27131786598190).

42635664654242 is a wasteful number, since it uses less digits than its factorization.

42635664654242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937984757024.

The product of its digits is 199065600, while the sum is 59.

The spelling of 42635664654242 in words is "forty-two trillion, six hundred thirty-five billion, six hundred sixty-four million, six hundred fifty-four thousand, two hundred forty-two".