2642424566261 has 8 divisors (see below), whose sum is σ = 2667854904000. Its totient is φ = 2617030124352.

The previous prime is 2642424566209. The next prime is 2642424566269. The reversal of 2642424566261 is 1626654242462.

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 2642424566261 - 2³⁴ = 2625244697077 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 (2642424566269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8826011 + ... + 9120488.

It is an arithmetic number, because the mean of its divisors is an integer number (333481863000).

Almost surely, 2^{2642424566261} is an apocalyptic number.

It is an amenable number.

2642424566261 is a deficient number, since it is larger than the sum of its proper divisors (25430337739).

2642424566261 is a wasteful number, since it uses less digits than its factorization.

2642424566261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17947915.

The product of its digits is 6635520, while the sum is 50.

The spelling of 2642424566261 in words is "two trillion, six hundred forty-two billion, four hundred twenty-four million, five hundred sixty-six thousand, two hundred sixty-one".