4242606306691 has 2 divisors, whose sum is σ = 4242606306692. Its totient is φ = 4242606306690.

The previous prime is 4242606306683. The next prime is 4242606306707. The reversal of 4242606306691 is 1966036062424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4242606306691 - 2³ = 4242606306683 is a prime.

It is not a weakly prime, because it can be changed into another prime (4242606306091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121303153345 + 2121303153346.

It is an arithmetic number, because the mean of its divisors is an integer number (2121303153346).

Almost surely, 2^{4242606306691} is an apocalyptic number.

4242606306691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242606306691 is an equidigital number, since it uses as much as digits as its factorization.

4242606306691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 4242606306691 in words is "four trillion, two hundred forty-two billion, six hundred six million, three hundred six thousand, six hundred ninety-one".